sensitivefoods

Health Shop Dermatitis & Eczema: Gut–Skin Conversations

Tue, 14 Oct 2025 11:05:34 GMT

Dermatitis & Eczema: Gut–Skin Conversations

Written by Douglas Mizzi - Clinical Nutritionist

I’ve worked with people for decades who feel like their skin and their gut are whispering secrets to each other — sometimes the whispers become loud, flare after flare. If you’ve ever wondered why your eczema or dermatitis seems to flare without an obvious trigger, you’re not alone. In this post I’ll walk you through the simple, practical way I think about the gut–skin connection, the common mechanisms I see (explained in plain language), how your shower and skin routine can help or hinder healing, and why targeted, gentle testing can stop you chasing wild goose chases and actually reduce flares.

How the gut and skin talk to each other (in everyday language)

Think of your skin and your gut as neighbours in the same building. They each have their own jobs, but what happens in one apartment can affect the whole stairwell. There are three common ways I see the gut influencing the skin:

Barrier irritation → immune signalling
When your gut lining is irritated or stressed, it can send messages to your immune system. Your immune system doesn’t always distinguish neatly between the inside and the outside — it responds, and that immune activation can show up as red, itchy or inflamed skin. It’s not about blame; it’s about understanding the loop so we can interrupt it.

Histamine load
Histamine is a chemical our bodies use a lot — for immune responses, digestion and even wakefulness. Some people carry a higher overall histamine load, whether because of how the body processes histamine or because of repeated triggers. That extra histamine can make the skin itchier, redder, and quicker to react.

Additive sensitivity
Processed foods, preservatives and additives can be hidden irritants for some people. For those sensitive to certain additives, repeated exposure can act like a persistent little nudge to the immune system — eventually that nudge might become a full-blown flare. It’s often subtle and slow to build, which is why people sometimes can’t spot the pattern on their own.

I always say: these are not mutually exclusive. Someone can have a sensitive barrier, a higher histamine load, and react to additives all at once. That’s why a one-size-fits-all approach rarely works.

Why testing beats guessing

When people try to figure this out alone they often rotate through diets, creams and “tips” that don’t fix the real driver. Smart testing reduces flares — and avoids wild goose chases.

Discover Your Food Intolerances with Our Gentle, Non-Invasive Testing
Are you tired of guessing which foods might be causing your skin issues, digestive upset, or general discomfort? I offer a unique, non-invasive bio-electrical food intolerance test that's suitable for everyone, from little ones to adults.

How it works: Simple and Painless
My testing method uses a gentle, bio-electrical device to check your body's responses to a wide range of common foods. It's completely non-invasive — no needles, no blood draws, no discomfort. We simply use a small, handheld device that makes contact with your skin, typically on your hand or foot.

This method helps identify which foods might be creating a subtle stress response in your body, even if you don't experience an immediate, obvious reaction. These hidden intolerances can often contribute to ongoing issues like:

Skin problems such as eczema, dermatitis or unexplained rashes
Digestive discomfort like bloating or general upset
Low energy or fatigue
General feelings of not being your best

Why choose this bio-electrical testing?

Suitable for all ages — gentle and non-invasive, great for children and adults
Quick and convenient — efficient testing without long waits
Personalized insights — I don’t just hand over a list; I help you understand what your body is telling you
Empowering — knowing your triggers is a powerful step toward fewer flares

Smart testing to reduce flares (and avoid wild goose chases)

Track the load

Keep a brief log: sleep, stress, sweat/heat exposure, products used, meals, and itch (0–10). Patterns emerge quickly.

Note: I only use and recommend this bio-electrical testing method going forward — I do not discuss other testing methods in my practice.

The calm-skin plate — a simple approach (not a diet)

I don’t give detailed meal plans — that’s for a clinician after testing and assessment — but a calm-skin plate is a practical, common-sense idea you can keep in mind:

Aim for a balanced plate with a mix of whole foods and minimal processed additives.
Hydration and steady, regular meals help your digestion and can reduce stress on the system.
If you notice certain packaged or highly processed items tend to come before a flare, note them in your log.

These are broad, sensible guidelines — nothing prescriptive. The goal here is to reduce unnecessary stressors while you pursue testing and a personalised plan.

Shower and skin routine synergy

Your skin routine and bathing choices can either soothe or provoke. A few practical points I share with people:

Temperature matters: hot, long showers can dry and irritate sensitive skin. Cooler, shorter showers help keep the skin barrier calm.

Gentle cleansing: choose a mild, fragrance-free cleanser and avoid harsh scrubs. Over-cleansing strips protective oils and can make immune signalling worse.

Moisturise promptly: applying a simple, fragrance-free cream while the skin is slightly damp helps lock in moisture. This supports the barrier and reduces the likelihood that immune responses escalate into full flares.

Pay attention to products: watch for hidden additives or strong fragrances in both personal care and laundry products. If you suspect a product triggers itch or redness, add it to your log and avoid repeated exposure until we test properly.

Timing and routine: a consistent routine (gentle cleanse, moisturise, protective measures) often reduces the “re-reactivity” of skin over time.

Again: these are supportive measures — they help manage symptoms and support the barrier while you investigate underlying triggers.

Histamine, gut symptoms and skin flares

People often ask: “Is my itching related to my bloating or reflux?” The answer can be yes. Increased histamine and gut irritation — including fermentation in the gut that produces gas — can contribute to skin irritation. If you have unexplained bloating alongside skin symptoms, testing is especially helpful to identify hidden contributors. For people with reflux driven by gas or fermentation rather than a structural cause, I also reference The Reflux Clinic for further context and resources.

Additives, preservatives and the slow-burn reactions

Additive sensitivity is often a slow-burn issue. It doesn’t always create an immediate reaction; sometimes it’s a persistent low-level irritation that eventually overwhelms the barrier. That’s why keeping a simple log and using targeted testing gives a much clearer picture than guessing.

What to expect from an assessment with me

When you come for an assessment — in clinic or by Zoom — I take a holistic, history-based approach combined with the bio-electrical testing described above. I’ll help you interpret the results and prioritise what to address first so you get quicker relief and fewer flares. I own and run both Sensitive Foods intolerance testing and The Reflux Clinic, so everything I offer comes from the same place of experience — it’s just me helping you through it.

Discover Your Food Intolerances with Our Gentle, Non-Invasive Testing
(Brief recap)

Non-invasive bio-electrical device, suitable for all ages

No needles, no blood draws, quick and convenient

Personalised insights to reduce flares and avoid chase-after-everything approaches

Track the load

Remember: a short daily note of sleep, stress, products used, meals and an itch score (0–10) is one of the most valuable tools you can use alongside testing. Patterns emerge, and that information helps me tailor the next steps efficiently.

I’m cautious about promising overnight cures — instead I focus on steady, measurable improvements. That’s what testing plus sensible skin-care synergy can deliver.

Message us by filling out the enquiry form at the bottom of any page on our website to get started. Can’t attend a clinic? Book a Zoom Food Intolerance Assessment with me (35+ years’ experience) for accurate, personalised guidance — see our Zoom assessment page.

We conduct food intolerance testing at the following Health Shop clinics

Morayfield
Northlakes
Aspley
Chermside

If you would like to find out more information or book an appointment click here

Dermatitis & Eczema: Gut–Skin Conversations

Tue, 14 Oct 2025 11:03:15 GMT

Dermatitis & Eczema: Gut–Skin Conversations

How the gut and skin talk to each other (in everyday language)

Barrier irritation → immune signalling
When your gut lining is irritated or stressed, it can send messages to your immune system. Your immune system doesn’t always distinguish neatly between the inside and the outside — it responds, and that immune activation can show up as red, itchy or inflamed skin. It’s not about blame; it’s about understanding the loop so we can interrupt it.

Histamine load
Histamine is a chemical our bodies use a lot — for immune responses, digestion and even wakefulness. Some people carry a higher overall histamine load, whether because of how the body processes histamine or because of repeated triggers. That extra histamine can make the skin itchier, redder, and quicker to react.

Additive sensitivity
Processed foods, preservatives and additives can be hidden irritants for some people. For those sensitive to certain additives, repeated exposure can act like a persistent little nudge to the immune system — eventually that nudge might become a full-blown flare. It’s often subtle and slow to build, which is why people sometimes can’t spot the pattern on their own.

Why testing beats guessing

When people try to figure this out alone they often rotate through diets, creams and “tips” that don’t fix the real driver. Smart testing reduces flares — and avoids wild goose chases.

Skin problems such as eczema, dermatitis or unexplained rashes
Digestive discomfort like bloating or general upset
Low energy or fatigue
General feelings of not being your best

Why choose this bio-electrical testing?

Suitable for all ages — gentle and non-invasive, great for children and adults
Quick and convenient — efficient testing without long waits
Personalized insights — I don’t just hand over a list; I help you understand what your body is telling you
Empowering — knowing your triggers is a powerful step toward fewer flares

Smart testing to reduce flares (and avoid wild goose chases)

Track the load

Keep a brief log: sleep, stress, sweat/heat exposure, products used, meals, and itch (0–10). Patterns emerge quickly.

Note: I only use and recommend this bio-electrical testing method going forward — I do not discuss other testing methods in my practice.

The calm-skin plate — a simple approach (not a diet)

I don’t give detailed meal plans — that’s for a clinician after testing and assessment — but a calm-skin plate is a practical, common-sense idea you can keep in mind:

Aim for a balanced plate with a mix of whole foods and minimal processed additives.
Hydration and steady, regular meals help your digestion and can reduce stress on the system.
If you notice certain packaged or highly processed items tend to come before a flare, note them in your log.

These are broad, sensible guidelines — nothing prescriptive. The goal here is to reduce unnecessary stressors while you pursue testing and a personalised plan.

Shower and skin routine synergy

Your skin routine and bathing choices can either soothe or provoke. A few practical points I share with people:

Temperature matters: hot, long showers can dry and irritate sensitive skin. Cooler, shorter showers help keep the skin barrier calm.

Gentle cleansing: choose a mild, fragrance-free cleanser and avoid harsh scrubs. Over-cleansing strips protective oils and can make immune signalling worse.

Moisturise promptly: applying a simple, fragrance-free cream while the skin is slightly damp helps lock in moisture. This supports the barrier and reduces the likelihood that immune responses escalate into full flares.

Pay attention to products: watch for hidden additives or strong fragrances in both personal care and laundry products. If you suspect a product triggers itch or redness, add it to your log and avoid repeated exposure until we test properly.

Timing and routine: a consistent routine (gentle cleanse, moisturise, protective measures) often reduces the “re-reactivity” of skin over time.

Again: these are supportive measures — they help manage symptoms and support the barrier while you investigate underlying triggers.

Histamine, gut symptoms and skin flares

Additives, preservatives and the slow-burn reactions

What to expect from an assessment with me

Discover Your Food Intolerances with Our Gentle, Non-Invasive Testing
(Brief recap)

Non-invasive bio-electrical device, suitable for all ages

No needles, no blood draws, quick and convenient

Personalised insights to reduce flares and avoid chase-after-everything approaches

Track the load

I’m cautious about promising overnight cures — instead I focus on steady, measurable improvements. That’s what testing plus sensible skin-care synergy can deliver.

For more about testing and services, visit Sensitive Foods and for reflux-related information see The Reflux Clinic .

Bloating 101: Why Your Belly Balloons After Meals

Tue, 14 Oct 2025 04:58:36 GMT

Bloating 101: Why Your Belly Balloons After Meals

If you’ve ever left a meal feeling as if your belly has inflated like a balloon, you’re far from alone. After more than three decades helping people with this exact problem, I can tell you that bloating is nearly always the result of several things adding up — not one dramatic culprit. In this post I’ll explain the physical mechanisms (in plain language), why time of day matters, simple common-sense cues that often help straight away, how triggers “stack” across a day, and why personalised intolerance testing can be the quickest route back to enjoying food without worry.

What actually causes that ballooned feeling?

At its heart, bloating is about gas and stretch. Here’s how the chain reaction usually goes:

Meal composition → fermentation: Some foods — or parts of foods — travel through your small intestine and become fuel for the microbes in your colon. When those microbes rapidly ferment that material, they produce gases such as carbon dioxide (CO₂), hydrogen (H₂), and sometimes methane (CH₄).

Gas → intestinal stretch → discomfort: Gases take up space. When they build up in your bowel they distend the intestine, which creates the tightness, pressure, and visible swelling people describe as bloating.

Carbonation adds to the load: Fizzy drinks literally introduce gas into your digestive tract. Some of that leaves as burps, but some can pass into the gut and increase total gas volume.

Large or fatty meals slow emptying: Bigger meals and meals high in fat take longer to leave the stomach. That can cause a sense of fullness or heaviness in the upper abdomen and also gives more time for fermentation lower down.

Swallowed air (aerophagia): Rushing, gulping, chewing gum, or talking while you eat increases how much air you swallow. Swallowed air contributes to the overall gas burden.

Additives and processing: Emulsifiers, some artificial sweeteners, and ultra-processed ingredients can alter how the gut moves and how microbes behave for some people, making fermentation more likely.

Stacking: A single small trigger may not bother you. But when several triggers add up across the day — morning coffee plus toast, a large lunch, an afternoon fizzy drink, late snacking — the combined effect often causes symptoms by evening.

I often describe it as a “stacking” or “jar” effect: each small trigger is a coin dropped into a jar. One coin isn’t a problem. But once the jar overflows, you feel it.

Morning versus evening patterns — why timing matters

Many people notice they’re worse in the evening. There are several reasons:

Accumulation over the day: Meals, drinks, stress, and small amounts of swallowed air build up during the day. By evening the gas volume and slowed transit add up.

Slower gut motility at night: The digestive system naturally slows down at night, so gas and food move more slowly, increasing the chance of distension.

Bigger evening meals and alcohol: People commonly eat larger meals or drink more in the evening, both of which can increase fermentation and slow emptying.

Morning exceptions: Some people wake up bloated because overnight fermentation produced gas, or because constipation from the previous day has become noticeable. Others wake less bloated because the gut had time to move things along overnight.

Noting whether you’re a morning or evening bloater is a simple but useful diagnostic clue.

Easy “slow-down and chew” cues that help quickly

These are commonsense tweaks I recommend to nearly everyone. They are not restrictive diets — just practical behaviours that reduce swallowed air and speed digestion:

Pause between bites. Put your fork down and breathe before the next mouthful.

Chew thoroughly. Aim to chew until food is soft; the more broken-down your food is, the less work for your gut microbes.

Sip, don’t gulp. Small sips reduce swallowed air and avoid a sudden influx of fluid that can change how your stomach empties.

Quiet, seated meals. Eating while standing, walking, or talking a lot increases aerophagia (swallowed air).
Moderate portions. Serving yourself a smaller initial portion and waiting 10–15 minutes before deciding if you want more helps prevent unneeded overeating.

These actions are safe, gentle, and effective in many cases. They’re not a personalised plan — they’re practical first steps that give your gut a chance to cope.

Portion and pacing tricks (common-sense only)

Serve sensible portions and stop when you feel comfortably satisfied, not stuffed.

Space meals so you’re not grazing constantly; aim for a few hours between main meals when possible.

Avoid the habit of finishing other people’s plates if you’re already feeling full.

If you notice beverages with meals worsen symptoms, try taking drinks between meals instead of large volumes with every meal.

Again — these are behavioural strategies, not prescriptive diets. If you need a tailored approach, testing and clinical assessment are the safest options.

Why “gluten intolerance” often isn’t that simple

The label “gluten intolerance” is commonly used, but for many it’s an oversimplification. In numerous cases the issue is not the gluten protein itself but the rapid fermentation of certain wheat products. For example, some breads are quickly fermented in the gut and produce gas — which presents like “gluten sensitivity.” Distinguishing true immune-driven reactions (like coeliac disease) from fermentation-driven symptoms matters, because the management and long-term food freedom look very different.

This is one reason I emphasize testing and guided re-challenge rather than guessing and broad restriction. Proper testing helps us understand whether the immune system is involved or whether symptoms are fermentation-driven.

Additives, antibiotics, and microbial shifts

Emulsifiers and certain artificial sweeteners can change gut motility and microbial behaviour for some people, increasing fermentation. Antibiotics are another major factor: a course of antibiotics can alter the bacterial balance in your gut and leave you more likely to bloat for weeks or months afterwards. Surgical histories (including C-sections), H. pylori treatments, and long-term prophylactic antibiotics are all important bits of history I always ask about, because they help explain why someone might be suddenly or persistently bloated.

These are the kinds of individualized clues that make intolerance testing and a clinical review useful — they help map past events to current symptoms.

Reflux and gas-driven upper gut symptoms

Sometimes reflux symptoms are driven by gas and fermentation rather than a structural issue with the oesophagus or stomach. Gas can increase pressure that in turn forces reflux, or it can cause upper abdominal discomfort that feels like reflux. Because I run both SensitiveFoods and The Reflux Clinic , I see this overlap frequently: treating fermentation and gas-related triggers often improves reflux symptoms when there is no structural cause.

If you notice both bloating and reflux, it’s worth mentioning both symptoms in a single assessment so we can view them together rather than separately.

When personalised intolerance testing helps

If simple behaviour changes don’t settle symptoms, personalised testing can rapidly narrow down the likely culprits so you can eat more freely again. Testing is particularly useful when:

symptoms are persistent or affecting your daily life,

commonsense changes haven’t helped,

you’ve tried elimination approaches on your own without clarity,

the pattern suggests fermentation or specific additives may be triggers.

Testing isn’t a shortcut or a magic solution — it’s a targeted way of identifying what consistently provokes fermentation for you. That information becomes a roadmap for a safer, evidence-based plan that can restore confidence and food freedom.

Final thoughts — gradual changes, lasting relief

Bloating is frustrating, but in most cases it’s not mysterious. The common mechanisms — fermentation, swallowed air, delayed emptying, additives, and the stacking effect — are well understood. Start with simple, common-sense changes: slow down, chew, take smaller portions, and pay attention to timing across the day. If symptoms persist, personalised intolerance testing and a clinical review can pinpoint your triggers so you can move from restriction back to confidence.

Message us via the enquiry form at the bottom of any page and I’ll personally get back to you. If you can’t attend in-clinic, I can assess you accurately over Zoom based on 35+ years of clinical experience.

The Health Shop Bloating 101: Why Your Belly Balloons After Meals

Tue, 14 Oct 2025 04:58:34 GMT

The Health Shop - Bloating 101: Why Your Belly Balloons After Meals

Written by Douglas Mizzi - Clinical Nutritionist

What actually causes that ballooned feeling?

At its heart, bloating is about gas and stretch. Here’s how the chain reaction usually goes:

Meal composition → fermentation: Some foods — or parts of foods — travel through your small intestine and become fuel for the microbes in your colon. When those microbes rapidly ferment that material, they produce gases such as carbon dioxide (CO₂), hydrogen (H₂), and sometimes methane (CH₄).

Gas → intestinal stretch → discomfort: Gases take up space. When they build up in your bowel they distend the intestine, which creates the tightness, pressure, and visible swelling people describe as bloating.

Carbonation adds to the load: Fizzy drinks literally introduce gas into your digestive tract. Some of that leaves as burps, but some can pass into the gut and increase total gas volume.

Large or fatty meals slow emptying: Bigger meals and meals high in fat take longer to leave the stomach. That can cause a sense of fullness or heaviness in the upper abdomen and also gives more time for fermentation lower down.

Swallowed air (aerophagia): Rushing, gulping, chewing gum, or talking while you eat increases how much air you swallow. Swallowed air contributes to the overall gas burden.

Additives and processing: Emulsifiers, some artificial sweeteners, and ultra-processed ingredients can alter how the gut moves and how microbes behave for some people, making fermentation more likely.

Stacking: A single small trigger may not bother you. But when several triggers add up across the day — morning coffee plus toast, a large lunch, an afternoon fizzy drink, late snacking — the combined effect often causes symptoms by evening.

I often describe it as a “stacking” or “jar” effect: each small trigger is a coin dropped into a jar. One coin isn’t a problem. But once the jar overflows, you feel it.

Morning versus evening patterns — why timing matters

Many people notice they’re worse in the evening. There are several reasons:

Accumulation over the day: Meals, drinks, stress, and small amounts of swallowed air build up during the day. By evening the gas volume and slowed transit add up.

Slower gut motility at night: The digestive system naturally slows down at night, so gas and food move more slowly, increasing the chance of distension.

Bigger evening meals and alcohol: People commonly eat larger meals or drink more in the evening, both of which can increase fermentation and slow emptying.

Morning exceptions: Some people wake up bloated because overnight fermentation produced gas, or because constipation from the previous day has become noticeable. Others wake less bloated because the gut had time to move things along overnight.

Noting whether you’re a morning or evening bloater is a simple but useful diagnostic clue.

Easy “slow-down and chew” cues that help quickly

These are commonsense tweaks I recommend to nearly everyone. They are not restrictive diets — just practical behaviours that reduce swallowed air and speed digestion:

Pause between bites. Put your fork down and breathe before the next mouthful.

Chew thoroughly. Aim to chew until food is soft; the more broken-down your food is, the less work for your gut microbes.

Sip, don’t gulp. Small sips reduce swallowed air and avoid a sudden influx of fluid that can change how your stomach empties.

Quiet, seated meals. Eating while standing, walking, or talking a lot increases aerophagia (swallowed air).
Moderate portions. Serving yourself a smaller initial portion and waiting 10–15 minutes before deciding if you want more helps prevent unneeded overeating.

These actions are safe, gentle, and effective in many cases. They’re not a personalised plan — they’re practical first steps that give your gut a chance to cope.

Portion and pacing tricks (common-sense only)

Serve sensible portions and stop when you feel comfortably satisfied, not stuffed.

Space meals so you’re not grazing constantly; aim for a few hours between main meals when possible.

Avoid the habit of finishing other people’s plates if you’re already feeling full.

If you notice beverages with meals worsen symptoms, try taking drinks between meals instead of large volumes with every meal.

Again — these are behavioural strategies, not prescriptive diets. If you need a tailored approach, testing and clinical assessment are the safest options.

Why “gluten intolerance” often isn’t that simple

Additives, antibiotics, and microbial shifts

These are the kinds of individualized clues that make intolerance testing and a clinical review useful — they help map past events to current symptoms.

Reflux and gas-driven upper gut symptoms

If you notice both bloating and reflux, it’s worth mentioning both symptoms in a single assessment so we can view them together rather than separately.

When personalised intolerance testing helps

If simple behaviour changes don’t settle symptoms, personalised testing can rapidly narrow down the likely culprits so you can eat more freely again. Testing is particularly useful when:

symptoms are persistent or affecting your daily life,

commonsense changes haven’t helped,

you’ve tried elimination approaches on your own without clarity,

the pattern suggests fermentation or specific additives may be triggers.

Final thoughts — gradual changes, lasting relief

We conduct food intolerance testing at the following Health Shop clinics

Morayfield
Northlakes
Aspley
Chermside

If you would like to find out more information or book an appointment click here