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If you’ve been sleeping badly, the answer is almost certainly in your blood.Not your habits. Not your screen time. Your ...
24/04/2026

If you’ve been sleeping badly, the answer is almost certainly in your blood.

Not your habits. Not your screen time. Your biology.

Four markers - none of which appear on a standard NHS blood panel - are responsible for the majority of chronic sleep dysfunction we see at humanpeople. And every single one of them has a longevity consequence that goes far beyond a bad night’s rest.

Ferritin. Low iron stores are one of the most common and most overlooked drivers of fragmented sleep - particularly in women. Ferritin doesn’t just affect sleep. Chronic deficiency accelerates cognitive decline and increases all-cause mortality risk.

Vitamin D. Deficiency directly impairs melatonin synthesis and disrupts sleep architecture. In the UK, 1 in 5 adults are deficient by April - the end of winter. Low vitamin D is also independently associated with faster biological ageing.

Magnesium. Deficiency prevents GABA receptor activation - the primary neurological mechanism for nervous system downregulation. Without adequate magnesium, your brain physically cannot transition into sleep mode. Magnesium deficiency is also associated with elevated all-cause mortality in multiple large-scale studies.

Cortisol. Chronically elevated cortisol keeps the HPA axis in a state of alert that makes restful sleep biologically impossible. It also shortens telomeres - the biomarkers of biological age.

These four markers. Measured together. Actioned with a personalised protocol built by our doctors.

This is not a supplement recommendation. This is precision medicine applied to your sleep.

Nutrition blood test - link in bio.

Sleep is the single most powerful longevity intervention available to you. It costs nothing. It is available every night...
24/04/2026

Sleep is the single most powerful longevity intervention available to you. It costs nothing. It is available every night. And most people in the UK are doing it badly - especially in April.

Here’s what’s happening biologically right now:

Spring sunrises are arriving earlier each morning, suppressing your melatonin before you’ve finished sleeping. Pollen is triggering histamine - a stimulant that blocks the same receptors as caffeine. Rising temperatures are preventing the core temperature drop your body needs to enter slow-wave sleep. And your circadian rhythm is actively recalibrating to the seasonal light shift.

The result? You wake feeling like you haven’t slept - because at a biological level, you largely haven’t.

This matters far beyond tiredness. Poor sleep measurably shortens telomeres - the biomarkers of biological age. It prevents the glymphatic system from clearing neurotoxic waste from your brain overnight. It suppresses growth hormone release, impairing cellular repair. It raises cortisol, which drives insulin resistance and systemic inflammation.

Chronic poor sleep does not just make you tired. It accelerates how fast you age.

You cannot fix what you haven’t measured.

Nutrition blood test - link in bio.

Balanced gut. Mental clarity. Glowing skin. Calm energy.Not goals. Results.Built around your biology, not someone else’s...
20/04/2026

Balanced gut. Mental clarity. Glowing skin. Calm energy.

Not goals. Results.

Built around your biology, not someone else’s.

The NHS is designed to treat illness. Not to prevent it.7.25 million people are currently waiting for treatment. Over 40...
17/04/2026

The NHS is designed to treat illness. Not to prevent it.

7.25 million people are currently waiting for treatment. Over 40% of chronic conditions in people under 65 in the UK could be prevented with early intervention.

This is not a criticism of the NHS. It is simply what it was designed to do - meet you when something has already gone wrong.

The gap is the problem. Between „nothing clinically wrong” and „actually functioning well” is a very wide space. And that space is where most people live - exhausted, dismissed, and wondering why they don’t feel right despite being told everything is fine.

You don’t have to wait for something to go wrong.

Understanding your own biology - your blood markers, your DNA, your inflammation levels, your nutrient status - gives you the information the system was never built to provide.

That is what humanpeople is for.

Doctor-led. Blood and DNA tested. Built for longevity.

Somewhere between your third Google search and your fifth supplement brand, you stopped knowing what to trust.One source...
13/04/2026

Somewhere between your third Google search and your fifth supplement brand, you stopped knowing what to trust.

One source. One protocol. Built entirely around your blood, your DNA, and your biology.

Doctor-led. Clinically dosed. Delivered to your door.

This is not a supplement. It is a system.

The average NHS appointment is 9.2 minutes.In that time, your GP takes your blood pressure, reviews your symptoms, check...
13/04/2026

The average NHS appointment is 9.2 minutes.

In that time, your GP takes your blood pressure, reviews your symptoms, checks your prescriptions and tries to address whatever brought you in. There is no time for what doesn’t yet have a name.

Here are five things that almost never make it into those 9 minutes - and that could change how you understand your own health.

01. „Normal” doesn’t mean optimal. It means you cleared the clinical threshold. The gap between the two is where most people live.

02. Inflammation is measurable and predictable. hsCRP is one of the strongest predictors of cardiovascular disease, cognitive decline and hormonal disruption. It’s almost never on a standard panel.

03. Your gut affects everything. Mood, immunity, skin, energy, hormones. The gut-brain axis is one of the most researched areas in medicine. It doesn’t exist in standard NHS care.

04. 1 in 5 UK adults are vitamin D deficient. Low vitamin D drives fatigue, low mood, poor immunity and inflammation. Easily tested. Easily addressed. Rarely checked.

05. Your DNA shapes everything. How you absorb nutrients, metabolise hormones, respond to stress. No two bodies need the same protocol. No two bodies should get the same one.

Your GP is not failing you. The system is just not built for this level of detail.

That’s what we’re for.

One sachet. Your name on it. Everything your body actually needs - and nothing it doesn’t.No more trawling through websi...
09/04/2026

One sachet. Your name on it. Everything your body actually needs - and nothing it doesn’t.

No more trawling through websites. No more guessing which supplement to trust. No more buying five different products from five different places and hoping for the best.

humanpeople tests your blood, reads your DNA, and builds a protocol that is entirely yours. Doctor-led. Clinically dosed. Delivered to your door.
This is what personalised health looks like. Simple on the outside. Precise on the inside.

Restore your health. Reclaim your power. 💛

Your annual blood test probably missed these.hsCRP. Homocysteine. Ferritin. HbA1c. Omega-3 index.Five markers. Five thin...
07/04/2026

Your annual blood test probably missed these.

hsCRP. Homocysteine. Ferritin. HbA1c. Omega-3 index.

Five markers. Five things your body is doing right now that are quietly determining how you age, how you feel, and how well your brain, heart and metabolism will hold up over the next decade.

Almost none of them appear on a standard NHS blood panel.

Here’s the part that matters: „within normal range” does not mean optimal. It means you cleared the clinical threshold for concern. That’s a very low bar. And the gap between „not concerning” and „actually functioning well” is where most people live - exhausted, foggy, and wondering why they don’t feel right despite being told everything looks fine.

Swipe through to see what each marker measures, why it matters, and what chronically suboptimal levels are doing to your body without you knowing.

95% of people we test at humanpeople are deficient in omega-3 alone.

Save this. Share it with your GP.

04/04/2026

You’ve probably seen it online. „If you have PCOS, never do HIIT. It spikes cortisol. It disrupts your hormones.”

Here’s what the evidence actually says.

Yes - HIIT raises cortisol acutely. That’s normal. That’s the stress response working as it should. But when you look at the studies, there’s no evidence that HIIT raises cortisol enough to meaningfully disrupt hormones in women with PCOS - unless they’re chronically under-fuelling and over-exercising at the same time.

And given that 75 to 85% of women with PCOS struggle with weight, telling a large group of women to avoid a form of exercise many of them enjoy is not just unhelpful - it’s counterproductive.

The best exercise for PCOS is the one you’ll actually do consistently. Resistance training has the strongest evidence for improving insulin sensitivity. But a spin class you love beats a weights session you skip every time.

Do you do HIIT? Has anyone ever told you to stop because of PCOS? Tell us below.

30/03/2026

75% of lean women with PCOS have insulin resistance.

Not because of their weight. Because of what’s happening at a tissue level - independent of how they look on the outside.

Most were never told. Most were just told to lose weight.

This is a clip from our latest Coffee with Dr Geoff - a conversation with Claire Johnson, registered nutritionist at Guy’s and St Thomas’, who has spent years at the cutting edge of PCOS and metabolic health research.

The full episode available to watch on our blog. It goes deep into what PCOS actually is, why the standard advice fails so many women, and what the science says instead.

If this is your experience - save this. You’re going to want to come back to it.

Your body is not broken.It is responding - to insulin resistance, to hormonal imbalance, to years of being told that irr...
29/03/2026

Your body is not broken.

It is responding - to insulin resistance, to hormonal imbalance, to years of being told that irregular cycles, fatigue, weight changes and brain fog are just something to live with.

PCOS affects 1 in 10 women. It disrupts cortisol, androgens, gut health, metabolism, and fertility. It presents differently in every single woman - lean or overweight, symptomatic or silent, diagnosed at 19 or 45. And for too long, it has been managed with advice that ignores most of that complexity.

The frustration you feel is not weakness. It is the gap between what you’ve been told and what your biology is actually doing.

Understanding that gap is where everything changes.

And if you want to understand it more deeply, we recently published a conversation on the blog that is worth your time. Dr Geoff sits down with Claire Johnson, a specialist nutritionist at Guy’s and St Thomas’, to go further than any standard consultation ever would. They cover the real science behind PCOS - lipotoxicity, muscle fibre changes, the neuroendocrine loop, GLP-1s, inositol, the Mediterranean diet, and why lean women with PCOS are so consistently failed by the system.

27/03/2026

„It’s genetic. There’s nothing you can do.”
That’s what Claire was told when she was diagnosed with PCOS.

She had pushed for blood tests after eight months of irregular cycles post-implant. She finally got a diagnosis. And then she got four words that left her with nowhere to go. So she went and found the answers herself.

The full Coffee with Dr Geoff conversation with Claire Johnson is coming soon to the blog, and it goes deep into what PCOS actually is, why the standard advice fails so many women, and what the science says instead.

Keep an eye out. It’s worth the wait.

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