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 You’ve probably heard that Vitamin D is important, but did you know that it can be critical if you suffer from eczema/dermatitis?
This is why one of the first questions I ask clients is whether they know their Vitamin D3 status. Do you know yours? If you want to know more about how vitamin D or the lack thereof might be influencing your skin health, read on. Today’s article covers:
What is vitamin D3 and why is it important? Vitamin D3 starts off as cholecalciferol which we, in the main, absorb through our skin through UVB or sunlight exposure. The cholecalciferol then goes through numerous processes in the liver and kidneys to become what is known as a biologically active form, or a form that our body can easily use, calcitriol. Vitamin D3 is, in fact, more of a hormone than a vitamin and it acts as a signaller to tell hundreds of genes what to do. We have Vitamin D Receptors (VDR) throughout our body that are just waiting for the calcitriol to come and bind with them. This binding of the calcitriol and the VDR triggers a cascade of vital bodily processes via genes from bone health and calcium metabolism to inflammation and heart health amongst many others. Vitamin D is most known for its effects on bone health as it helps calcium and phosphorus be absorbed from the gut, essential for the building and formation of strong bones. Low Vitamin D levels are linked to weak bones (Rickets) in children and osteomalacia (bone softening) in adults. (1) Vitamin D is known to have anti-inflammatory properties, which is very useful if you are prone to inflamed skin as most eczema/dermatitis sufferers are. (2) Vitamin D is thought to be important for heart health including hypertension and also brain health, due to the vast number of VDRs that can be found in brain tissue. (3) How gene variations can have an impact on your Vitamin D levels Gene variations you may have can, in some cases, impact on vitamin D availability or how responsive your receptors are to receiving the calcitriol. If a client comes to me and says that their Vitamin D3 levels are always low, then I would suspect a genetic variant at play either on the GC gene which controls supply of Vitamin D Binding Protein (VDPR) important for transporting Vitamin D around the body or variances on the VDR gene itself, meaning that receptors are less keen to receive and bind to the circulating Vitamin D. Another gene variation linked to Atopic Eczema is filaggrin. Vitamin D influences the production and function of skin proteins including filaggrin, so maintaining your Vitamin D levels if you suffer from atopic dermatitis is especially important. Nutrigenomics testing can be helpful to see gene variances in relation to things like Vitamin D, inflammation or susceptibility to lactose or gluten intolerance amongst many others. I use Lifecode Gx as they provide a variety of reports that can help me unravel a great deal about an individual’s genes and how they are impacting their skin health. Vitamin D and its specific role in Atopic Dermatitis/Eczema Vitamin D is also vital for the growth and repair of skin cells. It supports your skin barrier, which means that it is more resistant to attacks, and it has anti-inflammatory properties that are, as I’ve already mentioned, crucial for skin conditions like dermatitis and psoriasis. The interesting thing is that the science is clear. If you have eczema, it is very likely that your Vitamin D test results will show that you are Vitamin D deficient. Atopic Eczema sufferers specifically are more likely to be more Vitamin D deficient than the normal population. Have you tested your levels recently? How can Vitamin D help if you have dermatitis/eczema? Research has shown that maintaining vitamin D levels can lead to a significant reduction in eczema symptoms, especially inflammation and infection. This is especially clear in the winter months when exposure to sunlight is so much lower. Many of my clients report that their skin naturally improves in the summer months. (4) As mentioned above, vitamin D helps keep your skin water and infection ‘tight’ thanks to its action on filaggrin, amongst other skin proteins. If your skin is ‘leaky’ you are more at risk of infection or even allowing a contact allergen to trigger a flare. A healthy skin barrier helps retain moisture as well, and we all know how much moisture a dermatitis sufferer needs to retain ! (5) How you can ensure that you are getting enough, whilst being careful to not have too much. As you may have noticed throughout the article, an optimal (serum) level of Vitamin D3 is vital for health but is also critical for skin health and eczema. Good sources of Vitamin D3 include:
It is important to note that more is not necessarily better. Too much Vitamin D, specifically from supplementation, can be dangerous for your health. If in any doubt check with a health or nutrition practitioner and test to see where your starting levels are. Sign up for my news to get useful, usable information, resources and offers straight to your inbox. References.
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Navigating Periorificial Dermatitis. Insights and Management Strategies for Adults and Children3/14/2024  Periorificial dermatitis is a broad term encompassing various skin conditions that affect the face, including perioral dermatitis. (1,2).
Today’s article aims to shed light on periorificial dermatitis, its types, symptoms, and triggers, with dedicated insights for both adults and children. Treatment and care as well as the impact of nutrition on its management will also be explored. What is periorificial dermatitis? Periorificial dermatitis is a common, yet often misunderstood skin condition, presenting as rash around the orifices or openings of the face and on the forehead. The different types are:
What are the common symptoms? This condition can be both physically uncomfortable and emotionally distressing. Common symptoms in adults include:
In children periorificial dermatitis is more challenging to diagnose due to overlapping symptoms with other paediatric skin conditions including atopic, contact eczema or even impetigo. Common triggers Common triggers include, but are not exclusive to:
Treatment and Care Medical diagnosis typically involves a clinical examination with a GP or dermatologist. The primary approach to care involves identifying and eliminating triggering factors, such as specific skincare ingredients, environmental irritants or even foods. For adults, medical treatment often includes topical immunomodulators, antibiotics or mild corticosteroids, however studies have shown that with this form of dermatitis the best course of action is often to leave well alone and not apply any creams at all. Recommendations focus on restoring the skin barrier along with a gentle, hypoallergenic skin care regime, alongside stress management and dietary changes. Paediatric management focuses on gentle cleansing and application of hypoallergenic moisturisers to maintain skin hydration. Avoiding known irritants, allergens and intolerances is key, especially if the child has an atopic terrain. I recently worked with an infant whose perioral dermatitis resolved up to 90% with the elimination of one trigger food. The role of nutrition in managing periorificial dermatitis There is no specific diet that focuses on modulating periorificial dermatitis, but nutrition can play a pivotal role in skin health, providing the correct nutrients to modulate inflammation, support natural immune function and strengthen both the gut and skin microbiomes.
Periorificial dermatitis can be challenging but can also be managed with the right approach encompassing medical solutions with lifestyle and nutrition modifications. Understanding the different types of periorificial dermatitis and recognising the importance of nutrition as the foundation to skin health are key steps towards achieving clearer, healthier skin. If you haven’t yet been diagnosed it’s essential to consult with your GP or dermatologist for an accurate diagnosis. Remember, nutrition is just one piece of the puzzle, even if it is a vital one. Skin/Gut Masterclass – Tuesday 19th March 2024 at 12pm UK time. If you are interested in hearing more about the skin/gut connection I am holding a Masterclass this coming Tuesday, 19th March at 12pm UK time. If you register and are unable to attend, you will receive a recording of the event on Wednesday 20th March. You can register here. References
 Mast Cell Activation Syndrome (MCAS) is a complex condition that has been gaining attention in the medical community for its role in a variety of symptoms and diseases, including skin conditions such as eczema and dermatitis. (1–3) This article aims to shed light on what MCAS is, how it’s diagnosed, its connection to skin conditions and potential management strategies. What is MCAS? MCAS is a condition where mast cells, a type of white blood cell that play a crucial role in the body’s immune response, behave abnormally, triggering immune related symptoms. Mast cells play a pivotal role in the management of inflammatory responses, acting as the defensive guardians against pathogens. These cells are found in tissues throughout the body, especially where the body is exposed to contact with foreign bodies, such as the skin, lungs, and digestive tract. When mast cells detect a foreign substance or an injury they release a variety of different chemical signals including histamine, cytokines, and growth factors, which are all part of the body’s defence systems. This is normal and what keeps us healthy. Normally, mast cells help protect the body from disease and aid in wound healing but in MCAS these cells are overly sensitive and release too many of these chemicals leading to a range of symptoms that can affect every part of the body, including the skin, gastrointestinal, cardiovascular, respiratory and neurological systems. Long COVID is also thought to involve aspects of MCAS. Symptoms and Diagnosis The range of symptoms involved in MCAS are vast and can vary significantly from one individual to another. Reported symptoms include: flushing, itching, urticaria (hives), stomach pain, nausea, vomiting, diarrhoea, low blood pressure, headaches and breathing issues. The severity of symptoms can range from mild to life-threatening. As you can tell these are symptoms that can overlap with many other conditions making diagnosis tricky. Officially there are three sets of criteria needed for MCAS diagnosis:
The MCAS, Dermatitis Connection The skin is one of the organs most commonly affected by MCAS and dermatitis (atopic, contact and urticaria) is the most common skin illness linked to this condition. Dermatitis, characterised by inflammation of the skin, can be exacerbated by the overactive release of histamine and other chemicals from mast cells, leading to redness, itching, and swelling, all symptoms so characteristic of this chronic skin condition. The different types of eczema/dermatitis have multifactorial root causes including genetic, environmental and immune system factors. The link between MCAS and dermatitis is found within the immune system, particularly in how mast cells can over secrete the chemicals that can exacerbate an existing flare or trigger a new one. A combination of MCAS with chronic, relapsing dermatitis can cause misery for sufferers. Histamine, one of the most well-known mediators released by mast cells, is involved in immediate allergic reactions and plays a significant role in vasodilation or increased blood flow, and recruitment of other immune cells to the site of injury or infection. If you are interested in learning more about histamine, I have written a series of 5 articles relating to histamine, which can all be found via my website. Understanding the role of mast cells in immune responses and their contribution to conditions like MCAS and dermatitis underscores how intertwined both the immune system and skin health is. What is important to bear in mind is the need for support that may modulate mast cell activity but also alleviate the dermatitis symptoms. Management strategies for MCAS-Related Dermatitis Managing diagnosed MCAS and dermatitis needs a rounded approach that takes into account both the overactive mast cells and the dermatitis symptoms. Here are some tips that may help:
In summary, MCAS is a multifaceted condition that can significantly impact the physical and mental wellbeing of affected individuals. Having a medical diagnosis that then provides an appropriate treatment plan that alleviates symptoms is important, however, understanding the root cause of the hyper-activation be it food, environmental, lifestyle factors or stress is vital for long-term health. References.
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I’m Jessica Fonteneau, the Eczema and Digestive Health Nutrition Expert. I’ve worked with hundreds of clients to help them change their diets, better manage their flares, and find relief. My vocation is to help those with eczema and digestive issues, because I have suffered with these interlinked conditions since I was 6 months old, and I truly know what it is like to experience these debilitating conditions. Every client I have ever worked with has their own triggers and ideal nutrition. There is no such thing as ‘one-size-fits-all’. Whether you work with me one-to-one or use my guided tools, my objective is to help you uncover what works best for you, so that you take back control and experience relief. My guided programmes are only suitable for adults as children have very specific nutrition requirements. I do, however, work with many child clients as part of my clinic. I also offer two free communities for adults caring for children with eczema and digestive symptoms, feel free to come and join us and get some well-deserved support.
To easily keep up with my articles, masterclasses, ebooks and online programmes and receive exclusive access to early bird offers, sign-up to my newsletter. Interested in what I do and who I am? Go to my website: www.jessicafonteneaunutrition.com  In my 10 years in clinic, specialising in skin health, I’ve seen first-hand the profound impact diet and lifestyle choices have on skin health. One area that is increasingly grabbing attention is the skin microbiome and its role in conditions like dermatitis/eczema.
In this article I’ll explore what the skin microbiome is, its connection to dermatitis and how paying it some attention can be a crucial step in managing this challenging condition. The skin microbiome: Our body’s first line of defence. You’ve probably heard of the gut microbiome, the population of microorganisms, including bacteria, fungi and viruses that live in our gut, but you may not have heard of the skin microbiome. The skin microbiome has a similar community of microorganisms that live on our skin and this complex ecosystem is vital in the protection of our skin from harmful pathogens, inflammation regulation and overall skin health. The skin microbiome is not only part of the skin barrier that stops unwelcome organisms from entering the blood stream, but it also acts as a crucial go-between from the outermost skin layer and the immune system. It is crucial that a balance of microorganisms be maintained to support the health of any organ that has a microbiome, including skin and gut. When an imbalance occurs in the skin microbiome, skin conditions such as eczema can emerge or worsen. Eczema and Microbiome Balance Eczema, also known as dermatitis, is characterised by dry, itchy, and inflamed skin. Research has shown that individuals with eczema often have an altered or unbalanced skin microbiome. (1,2). Eczema patients frequently have an increase in the Staphylococcus aureus bacteria which plays a role both in inflammation and possible infection. This imbalance can disrupt the skin’s barrier function, making it more susceptible to irritants and allergens, further worsening eczema symptoms. Nurturing the Skin Microbiome The good news is that we can nurture our skin microbiome, just as we can support our gut bacteria population. Here are some tips to get you started:
1. Barbarot S, Aubert H. Physiopathologie de la dermatite atopique. Ann Dermatol Venereol. 2017;144:S14–20. 2. Nakatsuji T, Gallo RL. The role of the skin microbiome in atopic dermatitis. Ann Allergy, Asthma Immunol [Internet]. 2019;122(3):263–9. Available from: https://doi.org/10.1016/j.anai.2018.12.003 Sign up for my news to receive the published articles straight to your inbox. Read more by clicking below to see my previously published articles:
I’m Jessica Fonteneau, the Eczema and Digestive Health Nutrition Expert. I’ve worked with hundreds of clients to help them change their diets, better manage their flares, and find relief. My vocation is to help those with eczema and digestive issues, because I have suffered with these interlinked conditions since I was 6 months old, and I truly know what it is like to experience these debilitating conditions. Every client I have ever worked with has their own triggers and ideal nutrition. There is no such thing as ‘one-size-fits-all’. Whether you work with me one-to-one or use my guided tools, my objective is to help you uncover what works best for you, so that you take back control and experience relief. My guided programmes are only suitable for adults as children have very specific nutrition requirements. I do, however, work with many child clients as part of my clinic. I also offer two free communities for adults caring for children with eczema and digestive symptoms, feel free to come and join us and get some well-deserved support.
To easily keep up with my articles, masterclasses, ebooks and online programmes and receive exclusive access to early bird offers, sign-up to my newsletter. Interested in what I do and who I am? Go to my website: www.jessicafonteneaunutrition.com  As I look out the window and watch the endless, pouring rain, I think of a dermatitis trigger that loves this type of weather, mould.
There have been quite a few truly tragic stories in the media over the past year, highlighting the devastating impact mould can have on health, particularly in relation to respiratory conditions, but did you even consider whether mould might be triggering your dermatitis flare? In this blog post, I’ll delve into the intricate relationship between mould exposure and dermatitis and explore ways to reduce the risks. A short mould overview. Mould refers to a type of fungus that thrives in damp and humid environments, basically the UK. Common indoor moulds include Aspergillus, Fusarium Stachybotrys chartarum and Clasporium Herbarum. Stachybotrys chartaruium and Clasporium Herbarum are visible as black mould, but some other moulds are practically invisible to the naked eye. Mould tends to develop in areas that are out of sight. Just this week, I had a message from a client who said “you know you were questioning me around mould, and I said that there absolutely wasn’t any in my home? Well, we’ve just changed the floor in our kitchen and guess what we found under the lino”. Moulds, including the infamous black mould, thrive in damp environments such as kitchens, basements, and bathrooms. They can grow on various surfaces, including paper, wood, and fabrics. When mould touches the skin, or when individuals with a mould sensitivity inhale the spores, it can trigger different types of skin rashes characterized by redness, itching, swelling, and sometimes small bumps or blisters. Dermatitis, what does it encompass? Dermatitis is a broad term encompassing a whole host of skin conditions from Atopic Eczema to contact dermatitis and even Cutaneous Aspergillosis a skin condition directly linked to the Aspergillus mould. The Mould/Dermatitis Connection Research has shown a compelling connection between mould exposure and development or worsening of dermatitis symptoms. People who live or work in damp environments with high mould concentrations have been observed to be more susceptible to skin issues. It is believed that contact, either directly or via minute mould spores landing on the skin or being breathed in, can trigger inflammation that leads to the symptoms so common in dermatitis or eczema: red patches, itching and often pain. The most common types of dermatitis linked to mould are:
Mycotoxins Mycotoxins are toxic compounds produced by some mould species and which add another complex layer to the mould/dermatitis connection. These substances can enter the body through inhalation, ingestion, or skin contact. When mycotoxins come into direct contact with the skin, they can disrupt the skin barrier function, leading to increased permeability or leaky skin and higher risk of skin irritations. Mycotoxins have been found to trigger rosacea, eczema and even acne. Immune Response As previously touched on, both mould and mycotoxin exposure can trigger an immune response, leading to both inflammation and skin reactions. Whilst dermatitis isn’t considered an autoimmune condition, the constant igniting of the immune response is tiring for the body and can lead, in turn, to increased susceptibility to infections and inflammation. An exhausting vicious cycle. Diagnosis If you suspect that mould is triggering your skin, then you should go and see your GP for a diagnosis. Blood tests, finger-prick or patch testing can determine whether mould is an issue for you. Common medical treatments include over-the-counter antihistamines and cortisone creams. Nutrition practitioners also have access to some functional tests which may be useful. Tips for Prevention If you have recurrent dermatitis and are at a loss as to why it is constantly triggered, then it may be worth exploring whether mould might be a cause:
Sign up for my news to receive the published articles straight to your inbox. Read more by clicking below to see my previously published articles:
I’m Jessica Fonteneau, the Eczema and Digestive Health Nutrition Expert. I’ve worked with hundreds of clients to help them change their diets, better manage their flares, and find relief. My vocation is to help those with eczema and digestive issues, because I have suffered with these interlinked conditions since I was 6 months old, and I truly know what it is like to experience these debilitating conditions. Every client I have ever worked with has their own triggers and ideal nutrition. There is no such thing as ‘one-size-fits-all’. Whether you work with me one-to-one or use my guided tools, my objective is to help you uncover what works best for you, so that you take back control and experience relief. My guided programmes are only suitable for adults as children have very specific nutrition requirements. I do, however, work with many child clients as part of my clinic. I also offer two free communities for adults caring for children with eczema and digestive symptoms, feel free to come and join us and get some well-deserved support.
To easily keep up with my articles, masterclasses, ebooks and online programmes and receive exclusive access to early bird offers, sign-up to my newsletter. Interested in what I do and who I am? Go to my website: www.jessicafonteneaunutrition.com   Understanding and Managing Infant Dermatitis Infant dermatitis is a common skin condition that affects babies in infancy. Whilst it can be distressing for both parents and babies, it’s vital to remember that most cases can be effectively managed with proper care and management. This article is aimed at parents whose infants have recently been diagnosed with dermatitis and will explore:
The different types of infant dermatitis
Causes There are different possible causes, depending on the type:
Role of Nutrition Nutrition is the foundation of all our cells, including skin cells and it can have an impact on the development and management of infant dermatitis. In the past allergens were strictly avoided in infants, but research has uncovered that this may make food allergies more prevalent. The guidelines, now are:
Nutrients that support healthy skin Some nutrients are essential for skin health generally, so if your infant is weaned and hasn’t demonstrated any allergies or intolerances, then consider including the following nutrients into their regular nutrition can be supportive:
My tips for managing infant dermatitis.
Sign up for my news to receive the published articles straight to your inbox. Read more by clicking below to see my previously published articles:
I’m Jessica Fonteneau, the Eczema and Digestive Health Nutrition Expert. I’ve worked with hundreds of clients to help them change their diets, better manage their flares, and find relief. My vocation is to help those with eczema and digestive issues, because I have suffered with these interlinked conditions since I was 6 months old, and I truly know what it is like to experience these debilitating conditions. Every client I have ever worked with has their own triggers and ideal nutrition. There is no such thing as ‘one-size-fits-all’. Whether you work with me one-to-one or use my guided tools, my objective is to help you uncover what works best for you, so that you take back control and experience relief. My guided programmes are only suitable for adults as children have very specific nutrition requirements. I do, however, work with many child clients as part of my clinic. I also offer two free communities for adults caring for children with eczema and digestive symptoms, feel free to come and join us and get some well-deserved support.
To easily keep up with my articles, masterclasses, ebooks and online programmes and receive exclusive access to early bird offers, sign-up to my newsletter. Interested in what I do and who I am? Go to my website: www.jessicafonteneaunutrition.com Sign up for my news to receive the published articles straight to your inbox. Read more by clicking below to see my previously published articles:
I’m Jessica Fonteneau, the Eczema and Digestive Health Nutrition Expert. I’ve worked with hundreds of clients to help them change their diets, better manage their flares, and find relief. My vocation is to help those with eczema and digestive issues, because I have suffered with these interlinked conditions since I was 6 months old, and I truly know what it is like to experience these debilitating conditions. Every client I have ever worked with has their own triggers and ideal nutrition. There is no such thing as ‘one-size-fits-all’. Whether you work with me one-to-one or use my guided tools, my objective is to help you uncover what works best for you, so that you take back control and experience relief. My guided programmes are only suitable for adults as children have very specific nutrition requirements. I do, however, work with many child clients as part of my clinic. I also offer two free communities for adults caring for children with eczema and digestive symptoms, feel free to come and join us and get some well-deserved support.
To easily keep up with my articles, masterclasses, ebooks and online programmes and receive exclusive access to early bird offers, sign-up to my newsletter. Interested in what I do and who I am? Go to my website: www.jessicafonteneaunutrition.com
 Foods, ingredients, or molecule intolerances appear to be on the rise and whilst some such as gluten or histamine are well known, others, such as salicylates, are more misunderstood. This article will delve into this lesser-known phenomenon exploring:
What are salicylates and what is a salicylate intolerance? Salicylates are natural chemicals found in many plants who use them to defend themselves against pests, bacteria, and environmental stressors. Salicylates are anti-inflammatory and as such have also been synthetically reproduced in laboratories for uses in medications, including aspirin and non-steroidal anti-inflammatories (NSAIDs) such as ibuprofen. Salicylic acid has excellent anti-fungal and anti-bacterial properties, leading to its common use as an ingredient in processed foods, condiments, cosmetics, and beauty products. In terms of food, salicylates are found in many plant foods to a higher or lesser extent. Some of the foods that are common triggers are:
Salicylate intolerance is where a person’s system has difficulty metabolising and tolerating salicylates, leading to a range of symptoms. The phenomenon was initially observed in medically diagnosed patients with either aspirin-exacerbated respiratory disease (AERD) or NSAIDs-exacerbated respiratory disease (NERD) (1,2). In the cases of both AERD and NERD, high doses of chemical salicylates can trigger asthma, rhinosinusitis and urticaria. Clinical case studies have observed that for some, simply eating a diet high in salicylates can contribute to a variety of symptoms, although this can vary from person to person and may also depend on the quantity of salicylates eaten or exposed to over a short period of time. Which symptoms are linked to salicylate intolerance? Whilst respiratory and skin symptoms are the most recognised symptoms of salicylate intolerance, there are others including:
What does the science say causes this condition? As with so many conditions, the exact cause of salicylate intolerance is not well understood, however there are some areas which are being explored:
How is salicylate intolerance medically diagnosed? Diagnosis of salicylate intolerance is tricky, mainly because of the number of overlapping symptoms with other conditions. A medical or nutrition practitioner will undertake:
For many, a salicylate intolerance is linked to other conditions or genetics and is not, itself, the root cause. Sufferers tend to go heavily down the elimination root, which whilst does initially provide relief, is not a sustainable or healthy long-term solution. Working with a practitioner to discover the main trigger of the sensitivity is key. Suggestions for managing a suspected salicylate intolerance.
If on medication, please speak to your GP/consultant before making any changes to your diet.
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I’m Jessica Fonteneau, the Eczema and Digestive Health Nutrition Expert. I’ve worked with hundreds of clients to help them change their diets, better manage their flares, and find relief. My vocation is to help those with eczema and digestive issues, because I have suffered with these interlinked conditions since I was 6 months old, and I truly know what it is like to experience these debilitating conditions. Every client I have ever worked with has their own triggers and ideal nutrition. There is no such thing as ‘one-size-fits-all’. Whether you work with me one-to-one or use my guided tools, my objective is to help you uncover what works best for you, so that you take back control and experience relief. My guided programmes are only suitable for adults as children have very specific nutrition requirements. I do, however, work with many child clients as part of my clinic. I also offer two free communities for adults caring for children with eczema and digestive symptoms, feel free to come and join us and get some well-deserved support.
To easily keep up with my articles, masterclasses, ebooks and online programmes and receive exclusive access to early bird offers, sign-up to my newsletter. Interested in what I do and who I am? Go to my website: www.jessicafonteneaunutrition.com References:
 Blood sugars and continuous blood sugar monitors are all the rage and for good reason. Maintaining a stable blood sugar level isn’t just vital for metabolic health and weight, but also plays a key role in maintaining healthy skin and a normal functioning gut. This article will explore the connections between stable blood sugars and both skin and gut health and will provide practical tips to achieve and maintain this important balance:
The role of stable blood sugars Before we go into the detail of blood sugar and skin and gut health, here’s a quick overview of how important blood sugars are, so that we put it all in context. Simplistically, blood sugar is our main source of energy, and we get it primarily from eating carbohydrates which our digestive system then breaks down to glucose. This then enters our blood stream and provides energy to cells. Stable blood sugars are vital for lots of reasons, but here are the most cited ones:
 Blood sugars and skin health There are several ways that blood sugars can have an impact on skin health including:
Blood sugars and gut health Blood sugars and gut health aren’t usually associated by most people; however, high blood sugar levels can influence:
My top tips for keeping your blood sugars stable.
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I’m Jessica Fonteneau, the Eczema and Digestive Health Nutrition Expert. I’ve worked with hundreds of clients to help them change their diets, better manage their flares, and find relief. My vocation is to help those with eczema and digestive issues, because I have suffered with these interlinked conditions since I was 6 months old, and I truly know what it is like to experience these debilitating conditions. Every client I have ever worked with has their own triggers and ideal nutrition. There is no such thing as ‘one-size-fits-all’. Whether you work with me one-to-one or use my guided tools, my objective is to help you uncover what works best for you, so that you take back control and experience relief. My guided programmes are only suitable for adults as children have very specific nutrition requirements. I do, however, work with many child clients as part of my clinic. I also offer two free communities for adults caring for children with eczema and digestive symptoms, feel free to come and join us and get some well-deserved support.
To easily keep up with my articles, masterclasses, ebooks and online programmes and receive exclusive access to early bird offers, sign-up to my newsletter. Interested in what I do and who I am? Go to my website: www.jessicafonteneaunutrition.com References:
 Histamine intolerance is a recently identified but increasingly considered condition that, whilst not life-threatening, can trigger a range of uncomfortable and often debilitating symptoms. The disparity and variety of symptoms that can be attributed to this condition are so widespread that it took time for the scientific community to observe the common denominator, and it is often misdiagnosed in general practice. This, the fifth and last article in my ‘histamine’ series, will delve into this condition that is grabbing the attention of the healthcare community, providing you with information that may help you unravel whether histamine intolerance may be a factor in your health. The article covers:
What is histamine intolerance? Histamine intolerance, also known as histaminosis or histamine sensitivity, is an increasingly recognised condition that affects a significant number of people worldwide. (1,2) is usually defined as the inability to adequately breakdown histamine. Histamine is a neurotransmitter, found throughout the body, but specifically in the skin, respiratory tract, and the digestive system. It is involved in numerous processes including stomach acid production, and vasodilation (the widening of the blood vessels), but is more commonly known for its pivotal involvement in the immune response. It is believed that individuals who suffer from histamine intolerance have a deficiency or dysfunction of the DAO (diamine oxidase) or HNMT (histamine-N-methyltransferase, enzymes, which are responsible for breaking down histamine in the body. This slowing of histamine degradation leads to a possible accumulation of histamine, leading to a variety of symptoms, depending on the individual. It is thought that histamine intolerance prevalence is higher in children than in adults (3), but further studies are needed. My clinical experience, working with many infants and young children with digestive and skin symptoms, is that when true IgE allergies have been ruled out, histamine intolerance is often a route to be explored. Lowering an overall histamine load, rather than assuming that multiple food intolerances are at play, can allow children to retain the all-important macro and micronutrient variety, rather than putting them at risk of strict and restrictive elimination diets which oftentimes worsens the situation and puts their health at risk. Histamine intolerance has, in the past, often been misdiagnosed as whole host of other diseases including food allergy and intolerances, urticaria, eosinophilic gastroenteritis amongst others. When clients come to see me with negative allergy/intolerance testing, but who swear blind that such and such a food triggers a reaction, histamine intolerance is something that immediately springs to mind. Which symptoms hint at a possible histamine intolerance? As I’ve already explored in previous articles (see links at the end of this feature), histamine intolerance can manifest in a variety of different symptoms, hence the diagnosis difficulty. Common symptoms include:
What are the possible contributory causes? There are several possible contributory causes to histamine intolerance, but the main theory involves the concept of an overall histamine ‘load’ or the cumulative effect of several factors, including:
Please note that not every individual will be affected by all the above, and this overview should only support the notion of how your overall histamine load could add up. The genetics of histamine intolerance For some experiencing histamine issues, the question of low or slow DAO or HNMT activity may stem from their genetics. DAO inactivates histamine in the gut and HNMT within the nervous system and lungs. Genetic variants on these enzymes or their pathways can lead to histamine intolerance. Nutrigenomics testing, which I offer through Lifecode Gx, can provide information on our own genes which then informs us on the nutrition and lifestyle changes we can make to align with any variants to optimise health and wellbeing. Lifecode Gx offers a specific Histamine Intolerance test. You can find out more, by clicking the link. Nutrigenomic testing is the only form of testing that is available from the youngest age. Whilst how you eat and live your life will have an effect on whether a gene variation may have an impact, your genes themselves never change. My top tips for lowering your histamine load.
If on medication, please speak to your GP/consultant before making any changes to your diet. If you are interested in histamine and its impact on symptoms, this article is the second in a series I am currently publishing covering. The series in total will include:
Sign up for my news to receive the published articles straight to your inbox. Read more by clicking below to see my previously published articles:
I’m Jessica Fonteneau, the Eczema and Digestive Health Nutrition Expert. I’ve worked with hundreds of clients to help them change their diets, better manage their flares, and find relief. My vocation is to help those with eczema and digestive issues, because I have suffered with these interlinked conditions since I was 6 months old, and I truly know what it is like to experience these debilitating conditions. Every client I have ever worked with has their own triggers and ideal nutrition. There is no such thing as ‘one-size-fits-all’. Whether you work with me one-to-one or use my guided tools, my objective is to help you uncover what works best for you, so that you take back control and experience relief. My guided programmes are only suitable for adults as children have very specific nutrition requirements. I do, however, work with many child clients as part of my clinic. I also offer two free communities for adults caring for children with eczema and digestive symptoms, feel free to come and join us and get some well-deserved support.
To easily keep up with my articles, masterclasses, ebooks and online programmes and receive exclusive access to early bird offers, sign-up to my newsletter. Interested in what I do and who I am? Go to my website: www.jessicafonteneaunutrition.com References:
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 It’s a fascinating fact that before puberty, if you are born male, you are more at risk from childhood allergies, but that after puberty those born female are more likely to suffer from conditions relating to immune function including allergies and autoimmune conditions. (1,2)
It’s also reported that many people experience an onset, worsening or sometimes remission from eczema and IBS symptoms at certain times in the menstrual cycle or life stage e.g. pregnancy and menopause. Have you ever considered why? Studies have hinted at the interaction of the neurotransmitter, histamine, and the hormones, oestrogen, and progesterone. Today’s article, the fourth in my ‘histamine’ series, explores this emerging topic and includes:
Histamine, a quick overview Histamine is a compound that acts as both a neurotransmitter and an immune system messenger. It is responsible for a range of roles, including immune response, vasodilation (the widening of the blood vessels), and stomach acid production. Whilst histamine is vital for protecting the bodies against infection and supporting wound healing, too much histamine can lead to various health issues. For more detail on how this might link to digestive health, skin conditions or autoimmunity, please see my previous articles, links below. Oestrogen, progesterone, and the menstrual cycle The menstrual cycle is an intricate ballet of hormonal fluctuations, depending on distinct phases, going from menstruation to the follicular phase, ovulation and finally the luteal phase. During this cycle levels of sex hormones, including oestrogen, progesterone, luteinising hormone, and follicular stimulating hormone, rise and fall with the aim to prepare the body for pregnancy. Oestrogen is a group of sex hormones (estrone, oestradiol and estriol) that plays a key role in the development and functioning of the female reproductive system. Less well considered is the fact that oestrogen also impacts bone health, cardiovascular function, cognitive function, and the modulation of the immune system. Oestrogen levels are at their highest during the follicular phase, between the first day of a period and the next ovulation (days 1-14). Oestrogen is primarily excreted from the body following detoxification via the liver. Some oestrogen is, however, recycled and remains in circulation which may lead to oestrogen levels being proportionately higher at some times. Progesterone, another vital hormone, works in step with oestrogen to regulate the menstrual cycle and prepare the body for a potential pregnancy. It also plays a role in thermoregulation (cooling you down or keeping your warm), skin health, brain function, and vitally has anti-inflammatory actions. Progesterone levels are highest during the Luteal phase of your cycle. This is the phase directly after ovulation which lasts until your next cycle begins. Oestrogen, progesterone, and histamine, how might they interact? Research suggests that histamine levels are influenced by the hormonal fluctuations that happen during the menstrual cycle. Oestrogen has been demonstrated to encourage release of histamine from mast cells. This may explain the increase in symptoms such as allergies, migraines and eczema during the follicular phase, reported by many. (1) Some studies, have indicated that oestrogen may not just trigger mast cells to produce histamine but may also downregulate the production of DAO (diamine oxidase), one of the enzymes that breaks down histamine in the gut. (3,4) Some studies suggest that progesterone may slow mast cells from releasing histamine. (5) Histamine levels linked to the menstrual cycle. A useful, but basic summary, particularly in relation to the topic we are discussing today is the fact that oestrogen can stimulate histamine production and progesterone is anti-inflammatory. If we know that oestrogen levels are highest during the follicular phase and progesterone’s are highest in the luteal phase, then we can start to consider whether a person’s own symptoms can be mapped to their cycle. It is important to note that whilst some do report an increased sensitivity to histamine during certain phases of their cycle, many do not. Histamine and pregnancy Hormone levels are increased during pregnancy and for those sensitive to histamine, an increase in skin or digestive issues may be experienced at that time. Morning sickness can also be related to histamine’s role in stomach acid production. On the other hand, during pregnancy the immune system is naturally heightened, which for some results in remission from eczema or other symptoms for the duration of the pregnancy. Menopause and histamine imbalance The menopause marks the end of the reproductive years and is characterised by a host of hormonal changes including the reduction of oestrogen and the almost total cessation of progesterone production. Remember, oestrogen can induce histamine production whereas progesterone counter acts the effect with its anti-inflammatory role. So, during the menopause when progesterone levels are almost nil, but oestrogen continues to be produced, the scene is set for histamine load to be higher, and many menopause symptoms are directly related to this, including:
My recommendations for keeping histamine in check.
If on medication, please speak to your GP/consultant before making any changes to your diet. If you are interested in histamine and its impact on symptoms, this article is the second in a series I am currently publishing covering. The series in total will include:
Sign up for my news to receive the published articles straight to your inbox. Read more by clicking below to see my previously published articles:
I’m Jessica Fonteneau, the Eczema and Digestive Health Nutrition Expert. I’ve worked with hundreds of clients to help them change their diets, better manage their flares, and find relief. My vocation is to help those with eczema and digestive issues, because I have suffered with these interlinked conditions since I was 6 months old, and I truly know what it is like to experience these debilitating conditions. Every client I have ever worked with has their own triggers and ideal nutrition. There is no such thing as ‘one-size-fits-all’. Whether you work with me one-to-one or use my guided tools, my objective is to help you uncover what works best for you, so that you take back control and experience relief. My guided programmes are only suitable for adults as children have very specific nutrition requirements. I do, however, work with many child clients as part of my clinic. I also offer two free communities for adults caring for children with eczema and digestive symptoms, feel free to come and join us and get some well-deserved support.
To easily keep up with my articles, masterclasses, ebooks and online programmes and receive exclusive access to early bird offers, sign-up to my newsletter. Interested in what I do and who I am? Go to my website: www.jessicafonteneaunutrition.com References:
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