Sharp at Work. Present at Home. Fuel for Life.

Science-backed nutrition to help you feel sharper and stronger.

Shop Essentials
PREMIUM QUALITY ●
EASY 30-DAY RETURNS ●
FREE SHIPPING ●
BOOST YOUR PERFORMANCE ●
UK-MADE ●
CLINICALLY BACKED ●
PREMIUM QUALITY ●
EASY 30-DAY RETURNS ●
FREE SHIPPING ●
BOOST YOUR PERFORMANCE ●
UK-MADE ●
CLINICALLY BACKED ●
PREMIUM QUALITY ●
EASY 30-DAY RETURNS ●
FREE SHIPPING ●
BOOST YOUR PERFORMANCE ●
UK-MADE ●
CLINICALLY BACKED ●

Find Your Perfect Stack

Men's Health Collection
Men's Health Collection
Women’s Health Collection
Women’s Health Collection
Workout Collection
Workout Collection
Lily & Loaf sleep product set with massage oil, pillow mist, and rollerball on a white background
Essential oils

Fueling Better Days

Our mission is simple: create clean, science-backed supplements that actually make a difference in your day. Each formula is crafted with high-quality, filler-free ingredients designed to boost energy, sharpen focus, support gut health, and help you feel more like yourself again.


No gimmicks, no fluff, just honest nutrition built for busy people who want to perform at their best at work, in the gym, and at home.

Top Picks for Better Performance

Proven, high-quality supplements chosen by thousands to feel sharper, stronger, and more energised every day.

Sale OCTI Nutrition 5-HTP supplement bottle on a white background

5 HTP with L-Tryptophan

£18.50 £21.99
Sale OCTI Nutrition Collagen Plus supplement bottle on a white background

Collagen Plus

£18.45 £24.50
Sale Three supplement containers from OCTI Nutrition on a white background

Octi- 3 Phase Energy Reset

£45.50 £48.43
Sale Octi Nutrition Creatine supplement container on a white background

Creatine

£18.50 £24.50
Sale Supplement bottle labeled 'Black Walnut & Pumpkin Seed' by OCTI Nutrition on a white background

Black Walnut & Pumpkin Seed Intestinal Cleanse

£19.50 £22.50
Sale Supplement bottle labeled 'Pre+Pro15' by OCTI Nutrition on a white background

Pre + Pro 15

£18.50 £22.40
OCTI Nutrition Electrolytes supplement container on a white background

Electrolytes Drink

£16.95
Sale Double Magnesium

Double Magnesium

£19.99 £21.50
Sale White container of OCTI Nutrition Energy supplement on a white background

Octi Energy Drink

£24.95 £29.99

Why Our Nutrition Works

01

Clean, Filler-Free Formulas That Actually Work

Premium ingredients, no bulking agents, no and science-backed dosages designed for real, noticeable results.

02

Built for Everyday Performance: Work, Gym, Life

Energy, focus, recovery, and gut support formulated for busy people who need to perform at their best all day.

03

Trusted UK Quality With Fast, Reliable Delivery

Made in the UK for maximum safety and consistency, delivered fast, so you feel the benefits sooner.

Octi Nutrition Creatine supplement container on a white background

Featured Piece: Creatine

OCTI Nutrition 5-HTP supplement bottle on a white background

Featured Piece: 5 HTP with L-Tryptophan

Featured Piece: Apple Cider Vinegar Gummies

Featured Piece: Super Protein with Fibre

Perfect Addition To My Routine

Feels Instantly Uplifting

Tastes Surprisingly Great

Keeps Me Full Longer

Trusted by 1,000+ customers

|   Grant, UK

“I lift before heading to the office and this fits perfectly in my shake. No weird taste or texture.”

|   Sophie, UK

“I noticed the difference within days, more steady energy, better mood, and no more afternoon slump. It’s become a daily essential I won’t miss.”

|   Emily, UK

“These gummies make ACV so easy to take. I feel lighter, less bloated, and my digestion has genuinely improved, plus they taste amazing.”

|   Mark, UK

“Smooth, satisfying, and genuinely easy on the stomach. It keeps me full for hours, boosts my recovery, and the added fibre has made a massive difference to my digestion.”

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).