Sleep deeper.
Gut stronger.
Perform every day.
Clean, UK-made supplements formulated for people who can't afford to feel average. No fillers, no wellness theatre — just evidence-led nutrition for your real life.
You're not tired because you're weak. You're tired because your body has nothing left to give.
Broken sleep cycles
Work stress, screens, and cortisol spikes stop your brain reaching deep restorative sleep.
Gut disruption
Fast food, irregular eating, and stress wreak havoc on your microbiome and energy absorption.
Mental fog
Poor sleep and gut health reduce serotonin production — the foundation of mood and focus.
No time to fix it
Most solutions require hours of lifestyle change. You need something that works with your day.
Fall asleep faster.
Wake up ready.
When you're running on 5 hours and a strong coffee, your cortisol never drops, your body never repairs, and tomorrow is already worse. Our sleep stack helps you reach deep sleep faster — and stay there.
Shop sleep collection →
Reset your gut.
Reclaim your energy.
Bloating, irregular digestion, low energy after meals — these aren't inevitable. They're signs your microbiome needs support. Our gut range cleanses, replenishes, and rebuilds from the inside out.
Shop gut health →Top Picks for Better Performance
Proven, high-quality supplements chosen by thousands to feel sharper, stronger, and more energised every day.
Built for people who carry real weight
Our customers aren't athletes chasing marginal gains. They're people doing everything at once — and needing their body to keep up.
Work all day. Parent all evening. Sleep terribly.
"I was running on empty and snapping at my kids. I needed something to actually help, not another supplement I'd forget."
High output. High cortisol. High stakes.
"Deadlines, decisions, then I can't switch off at night. My gut was a mess and my focus was shot."
Early starts. Late trains. No time for anything.
"I wanted something simple I could actually stick to. Two capsules before bed — that I can manage."
Sleep + Gut.
Both fixed.
The Sleep & Gut Reset Stack combines our four most targeted products into a complete protocol — designed to be taken in under 60 seconds, twice a day. Subscribe and never run out.
Not wellness theatre.
Real science.
Every formula in the Octi range is developed with our nutritionist advisory board using peer-reviewed research on ingredient bioavailability and clinical dosing. We don't put ingredients in because they look good on a label.
UK GMP Manufacturing
All products made in a UK facility certified to Good Manufacturing Practice — the same standard as pharmaceutical production.
Third-Party Lab Tested
Independent laboratory testing on every batch. Certificate of Analysis available on request. What's on the label is in the capsule.
Nutritionist Formulated
Formulas are built around clinical evidence and reviewed by our advisory board before they go anywhere near a production line.
Zero Fillers Policy
No magnesium stearate, titanium dioxide, artificial colours, or unnecessary excipients. Clean capsules only.
Featured Piece: Creatine
Featured Piece: 5 HTP with L-Tryptophan
Featured Piece: Apple Cider Vinegar Gummies
Featured Piece: Super Protein with Fibre
Trusted by 1,000+ customers
Frequently Asked Questions
Yes, our products are manufactured in the UK under GMP quality protocols for safety and consistency.
Many are. Each product page lists dietary suitability and a full ingredient list so you can choose confidently.
Follow the label instructions on each product page. For best results, take consistently (often with food and water unless stated).
Generally yes, our formulas are designed to be complementary. If you take medication or have a condition, consult your GP first.
Yes, try our Vitamin D Test Kit to check your levels at home and tailor your routine.
UK orders dispatch in 1–2 business days and typically arrive within 3–5 working days. You’ll receive tracking by email.
We currently focus on the UK. European shipping is planned, watch this space.
We offer a 30-day satisfaction guarantee. If your order is damaged or you’re not satisfied, email support@octinutrition.co.uk.
Email support@octinutrition.co.uk or use the contact form. We reply within 24 hours (Mon–Fri).
90-day. No-quibble. Money back.
We believe in these products. If you don't notice a real difference in your sleep, your gut, or your energy within 90 days — email us and get every penny back. No return required. No awkward questions.
