FiiHii - Gut, Mind, Soul

FiiHii - Gut, Mind, Soul Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from FiiHii - Gut, Mind, Soul, Vitamins/Supplements, 71-77 sheldon Street, London.

On a mission to transform lives through improved fibre intake nurturing a healthier gut microbiome.

*We've mastered the art of easy, impactful nutrition.*
- 4/5 a day
- 30 different fruit & veg a week
- Half of your daily fibre
*Nourish to Flourish*

14/01/2026

Acne.
Eczema.
Rosacea.
What if your skin isn’t the problem — but the messenger?

We’re taught to treat skin flare-ups from the outside in.
Creams. Serums. Prescriptions.
Sometimes they help. Often they don’t last.

Because for many people, skin symptoms are downstream signals — not surface issues.

Your gut influences skin through:
• Inflammation levels
• Immune signalling
• Hormone metabolism
• Blood sugar regulation
• The gut–skin axis (yes, it’s real)

Low fibre, poor plant diversity, stress, antibiotics, ultra-processed food — all can shift the gut environment in ways that show up on the skin.

That doesn’t mean food “caused” your condition.
It means the system is under load.

Supporting the gut won’t replace medical care.
But it can lower the background noise the skin is reacting to.

Skin doesn’t flare for no reason.
It responds to what’s happening inside.

Brain fog isn’t a personality trait. It’s a biological signal.If you’ve ever had that “I can’t think properly today” fee...
13/01/2026

Brain fog isn’t a personality trait. It’s a biological signal.

If you’ve ever had that “I can’t think properly today” feeling —
slow thoughts, poor focus, forgetfulness, mental fatigue — you’re not alone.

Nearly 1 in 3 adults report brain fog.
And for most people it isn’t some mysterious issue…

It’s the predictable output of a few modern-life inputs:

Poor sleep (even short-term) → slower processing + weaker working memory

Blood sugar swings → the brain gets under-fuelled, fast

Mild dehydration (1–2% is enough) → worse alertness + executive function

Low micronutrient density (B vitamins, iron, omega-3s) → poorer neurotransmitter + energy support

Gut disruption → more inflammation signalling, less stable cognition via the gut–brain axis

That last one is the one most people miss.

Because your gut doesn’t just “digest food”.
It influences inflammation, neurotransmitter precursors, and the chemical environment your brain runs on.

So when the gut’s irritated — poor diet, stress, inconsistent eating, ultra-processed foods — the brain often follows.

What helps (without overhauling your life):

✅ Build meals around fibre + protein + healthy fat to flatten glucose peaks/crashes
✅ Drink consistently through the day (not just “a big glass at night”)
✅ Keep meal timing predictable (big gaps → crashes → cravings → worse sleep)
✅ Push caffeine earlier, keep evenings lighter (sleep wins are focus wins)
✅ Prioritise nutrient density over “clean eating theatre”

And this is exactly where FiiHii Frinks® fit.

They’re not a “brain fog cure” but they are a low-friction way to deliver:

whole-food fibre diversity (gut support + SCFAs)

polyphenols + antioxidants (inflammation control)

fats + seeds (absorption + stability)

micronutrient-rich ingredients (real food, not powders)

Because the goal isn’t perfection.
It’s building a daily pattern where your brain has what it needs to stay online.

If you want the deeper breakdown (gut–brain, sleep, glucose, hydration), I’ve written the full piece here.

Full Blog Here 👇
https://fiihii.com/magazine/

13/01/2026

This isn’t about quick fixes.
It’s about closing the gap between medicine and nutrition.

Healthcare doesn’t stop at prescriptions.
And nutrition doesn’t work in isolation.

That’s why FiiHii × PrivateDoc makes sense.

PrivateDoc - a Registered and regulated online pharmacy that supports people through clinical pathways — weight loss, hormones, gut health, metabolic health.
FiiHii supports the daily inputs that shape outcomes in the background:
blood sugar, fibre intake, gut health, energy, mood.

Because medication may start the journey…
but food determines how the body responds.

This partnership is about:
• Supporting gut health alongside treatment
• Reducing metabolic strain, not adding to it
• Helping people feel better day-to-day, not just “managed”
• Making nutrition practical, realistic, and sustainable

No extremes.
No gimmicks.
Just proper support, working together.

This is what modern health should look like.

Why Fibre Gets Blamed (and Why It Deserves Better)Ever tried to “eat more fibre”…and ended up bloated, uncomfortable, an...
12/01/2026

Why Fibre Gets Blamed (and Why It Deserves Better)

Ever tried to “eat more fibre”
…and ended up bloated, uncomfortable, and wondering why you bothered?

You’re not imagining it.
And no — fibre isn’t the problem.

What is common is this:
• too much fibre
• too fast
• without enough water
• layered on top of lots of other dietary changes

Your gut doesn’t rebel because fibre is bad.
It struggles because it hasn’t been given time to adapt.

Clinical studies show that when people jump from low-fibre diets straight to “ideal” intakes, bloating increases by up to 40%. But the same research also shows something important 👇
the gut adapts — often within weeks — if the increase is gradual.

Done properly, fibre:
• supports digestion
• stabilises blood sugar
• reduces inflammation
• feeds beneficial gut bacteria
• improves long-term metabolic health

The key is how you introduce it.

That’s why we talk so much at FiiHii about:
✔ easing in, not diving in
✔ starting with soluble, hydrated fibre
✔ supporting fibre with fluids and electrolytes
✔ building tolerance, not forcing targets

Fibre shouldn’t feel like punishment.
When approached with a bit of strategy, it becomes one of the most powerful (and comfortable) foundations for gut health.

We’ve broken this down properly — including a simple 3-day ramp-up plan — in our latest blog.

Because fibre isn’t uncomfortable.
Rushing it is.

Full Blog article here 👇
https://fiihii.com/magazine/

12/01/2026

Your gut is constantly sending messages.
Most people just aren’t taught how to hear them.

Cravings.
Mood shifts.
Energy dips.
Brain fog.
Digestive discomfort.

These aren’t random glitches.
They’re signals — chemical messages moving from the gut to the brain via hormones, nerves, and microbial metabolites.

Your gut produces:
• Signals that influence appetite and satiety
• Neurotransmitter precursors that affect mood
• Immune messages that shape inflammation
• Hormonal cues that impact stress and energy

When the gut environment is supported, those messages are calm, balanced, and clear.
When it’s under strain — low fibre, poor diversity, stress, ultra-processed food — the signals become noisy.

The goal isn’t perfection.
It’s creating conditions where the messages improve.

Feed the gut properly, and the conversation changes.

11/01/2026

Constipation. Nausea. IBS.
They’re not random. And they’re not “just your gut”.

These symptoms don’t show up in isolation.
They’re signals — often from a system that’s under strain.

Low fibre.
Poor gut motility.
Hormonal shifts.
Stress.
Blood sugar swings.
Medications.
Disrupted gut–brain signalling.

We’re taught to label it a “sensitive stomach” and crack on.
But most of the time, the body is asking for support — not suppression.

What actually helps isn’t extremes or quick fixes.
It’s consistency:
• Gentle, gradual fibre intake
• Hydration that supports motility
• Plant diversity that feeds the microbiome
• Reducing inflammatory load
• Supporting the gut–brain axis, not fighting it

Digestive symptoms are information.
When you listen properly — the system often calms down.

Your Heart and Brain Age Together.Food Can Slow Both.We often talk about heart health and brain health as if they’re sep...
11/01/2026

Your Heart and Brain Age Together.
Food Can Slow Both.

We often talk about heart health and brain health as if they’re separate problems.

Biologically, they’re not.

The same vascular system feeds both — and the same things that damage arteries over time (poor glucose control, inflammation, high blood pressure, dyslipidaemia) also accelerate brain ageing.

Long-term studies now show that people with better cardiovascular health don’t just protect their hearts — they accumulate less structural brain damage and experience slower cognitive decline, even when genetic risk is high.

That’s the important bit 👇
Lifestyle can override genetic risk.

And one of the most overlooked tools in that equation?

Fibre.

Not as a digestive add-on — but as a vascular and cognitive stabiliser.

Higher fibre intake is consistently linked to:
• better blood sugar control
• lower inflammatory load
• improved gut barrier function
• healthier blood vessels
• stronger cognitive performance in later life

Through the gut–vascular–brain axis, fibre feeds microbes that produce short-chain fatty acids — compounds that calm inflammation, support endothelial function, and protect the brain’s wiring.

This is the thinking behind FiiHii Frinks®.

Whole-food fibre.
Polyphenols.
Healthy fats.
Plant diversity.

Not a supplement. Not a quick fix.
Just daily nutrition aligned with how the heart and brain actually age.

Because you don’t need two strategies for longevity.
You need one — done consistently.

Full Blog here 👇
https://fiihii.com/magazine/

10/01/2026

Your mood isn’t just in your head.
It starts in your gut.

Over 90% of serotonin is made in the gut.
Not the brain.

When your gut is inflamed, under-fed, or stressed,
your mood chemistry changes with it.

• Low fibre disrupts serotonin signalling
• Poor gut diversity increases inflammatory messengers
• Blood sugar swings amplify anxiety and irritability
• Chronic gut stress feeds straight into the nervous system

That’s why mood dips often arrive with bloating, fatigue, brain fog or low motivation.
And why “just think positive” never works.

Food doesn’t fix emotions.
But it sets the biological environment your brain has to work in.

Stabilise the gut.
Lower inflammation.
Feed the microbes.

And mood regulation becomes easier — not forced.

This isn’t mindset work.
It’s physiology.

Why Your 3PM Slump Isn’t a Willpower ProblemThat familiar mid-afternoon crash — heavy eyes, foggy thinking, sudden cravi...
10/01/2026

Why Your 3PM Slump Isn’t a Willpower Problem

That familiar mid-afternoon crash — heavy eyes, foggy thinking, sudden cravings for coffee or sugar — isn’t in your head.

It’s metabolic.

For most people, the 3PM slump is the predictable result of how lunch interacts with blood sugar and circadian rhythm.

Here’s what’s actually happening 👇

A high-GI lunch (white bread, pasta, rice, sweet sauces) causes a rapid spike in blood glucose.
Your body responds with a large insulin release.
Insulin overshoots.
Blood sugar drops below baseline 60–90 minutes later.

At the exact same time, your body naturally hits a circadian dip in alertness between 2–4PM.

Low glucose + low cortisol =
👉 brain fog
👉 irritability
👉 cravings
👉 that “I can’t focus” feeling

This happens even in people with normal metabolic health. You don’t need diabetes or insulin resistance to experience it.

And the common fixes?
Coffee. Energy bars. Sugary snacks.

They give a brief lift… then deepen the crash.

The real solution isn’t eating less or pushing harder — it’s flattening the glucose curve.

Meals and snacks built around:
• soluble fibre
• protein
• healthy fats
• low-GI carbohydrates

slow digestion, reduce insulin overshoot, and keep glucose available for the brain when it needs it most.

That’s why fibre is so underrated.
It doesn’t just “help digestion” — it stabilises energy, mood, and cognitive performance through the afternoon.

This is exactly the biological problem we designed FiiHii Frinks® to support:
real whole-food fibre, natural fats, slow-release carbs — no spike, no crash.

The takeaway isn’t complicated:

👉 The 3PM slump isn’t a character flaw.
👉 It’s a fuel mismatch.
👉 And once you understand it, it becomes optional.

Read the full blog here 👉 https://fiihii.com/magazine/

10/01/2026

The gut–brain connection isn’t a metaphor.
It’s a hard-wired biological loop.

Your gut and brain are in constant conversation.
Not occasionally. Not metaphorically. Constantly.

Over 80% of the signals travel from the gut to the brain, not the other way round.

That means:
• What you eat affects how you think
• Gut inflammation alters mood and focus
• Poor digestion increases stress signalling
• Low fibre weakens the gut–brain feedback loop

This is why brain fog, anxiety, low mood and fatigue so often show up alongside gut symptoms.
And why fixing the gut often improves the mind — without “trying harder”.

Food isn’t therapy.
But it sets the biological conditions your nervous system has to operate in.

Feed the gut properly.
Stabilise blood sugar.
Support microbial diversity.

And the brain works with you, not against you.

09/01/2026

Food doesn’t just interact with GLP-1.
It shapes it.

GLP-1 isn’t a medication invention.
It’s a hormone your gut has been releasing for millions of years.

Every time you eat, your gut decides:
How full you feel.
How stable your blood sugar is.
How strong your appetite signals are.

And that decision is driven by food quality.

• Fibre slows digestion and amplifies GLP-1 release
• Whole foods create longer satiety signals
• Ultra-processed foods blunt and shorten the response
• Liquid sugars spike glucose but barely trigger GLP-1

That’s why some meals leave you satisfied…
and others leave you hungrier an hour later.

GLP-1 meds work by forcing a signal.
Food works by training the system.

This isn’t anti-medication.
It’s pro-biology.

Long-term appetite regulation, metabolic health, and weight stability don’t come from hacks.
They come from repeatedly sending the right signals.

Feed the gut properly
and GLP-1 does what it’s always done.

Most people chase longevity by talking about cholesterol, supplements, and “biohacks”.But one of the strongest predictor...
09/01/2026

Most people chase longevity by talking about cholesterol, supplements, and “biohacks”.

But one of the strongest predictors of how well you age is far more basic:

Muscle.

Not for aesthetics.
Not for ego.
For metabolic survival.

Skeletal muscle is your body’s main “glucose sink”. It’s where a huge chunk of the sugar you eat gets cleared and stored/used. It’s also your buffer during stress, illness, inflammation, surgery — all the moments where resilience matters.

And here’s the bit most people miss:

As muscle declines, metabolic health declines with it.
Blood sugar becomes harder to regulate. Insulin resistance creeps in. Fatigue rises. Recovery slows. And the “I just feel older” feeling starts showing up earlier than it should.

That’s why the longevity conversation is shifting from BMI and scale weight to relative muscle mass.

✅ More muscle = better glucose control
✅ Better glucose control = lower systemic stress and inflammation
✅ Lower inflammation = better ageing, full stop

In the blog, we break down:

Why sarcopenia can start in your 30s (quietly)

Why strength drops faster than mass

Why resistance training is one of the most undervalued health interventions on earth

The simple nutrition side: protein + fibre, consistently, not perfectly

And yes — this is where real-food convenience matters.

Because most people don’t fail through laziness.
They fail through inconsistency.

That’s why we built FiiHii Frinks® around whole-food fibre, micronutrients, and daily practicality — so you can support metabolism and recovery without the powders, filler ingredients, and faff.

Longevity isn’t a hack.
It’s a daily build.

Blog here 👇
https://fiihii.com/magazine/

Address

71-77 Sheldon Street
London
WC2H9JQ

Website

Alerts

Be the first to know and let us send you an email when FiiHii - Gut, Mind, Soul posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Shortcuts

Featured

Share

Share on Facebook Share on Twitter Share on LinkedIn
Share on Pinterest Share on Reddit Share via Email
Share on WhatsApp Share on Instagram Share on Telegram

Category