4Gamer
(47)
From £5.99
4.8 / 5 from 100+ Amazon reviews
Fuel Your Performance
A focused range of UK-made supplements for fitness, gaming, and everyday health — clinically meaningful doses, evidence-backed ingredients, transparent labels, and no proprietary blends.
Creatine
(62)
From £9.98
Energy
(53)
From £5.99
Recovery
(49)
From £9.98
Hydration
(71)
From £5.99
The full range
Our Range
Eight focused formulations covering training, gaming, recovery, hydration, and sleep — each dosed at clinically meaningful levels and made in the UK.
Find your fit
Shop by Goal
Whether you're training, gaming, recovering, or just trying to sleep better — start with the goal that matches your routine.
Energy
Clean lifts, sustained drive — for training and gaming sessions that go the distance.
Focus
Sharper reactions, calmer attention — formulated to keep your head in the game.
Recovery
Bounce back faster between sessions with the right ingredients post-effort.
Hydration
Electrolytes that actually replace what training takes out of you.
Sleep
Deeper rest, better mornings — magnesium-led formulations for proper recovery.
Why Science Fitness
Built On What Works
No proprietary blends, no trendy ingredients, no marketing fluff. Just clean, sensibly dosed formulations made to UK standards.
Science-Backed
Every product formulated against published research, not marketing trends.
UK Made
Manufactured to UK standards in our Skipton facility.
Affordable
Premium formulations without premium markup — fair pricing on every line.
Results-Led
Ingredients dosed to clinically meaningful levels. No fairy-dusting.
Ingredients in focus
Real Ingredients, Real Evidence
Three of the most-studied compounds in supplementation — and a glimpse at why they show up across our range.
Caffeine Anhydrous
The world's most-studied stimulant. Sharpens focus, lifts perceived energy, and improves time-to-fatigue at sensible doses.
Found in
- Energy
- 4Gamer
- Energy Gummies
Creatine Monohydrate
Decades of evidence behind it. Improves strength output, supports muscle growth, and now strongly linked to cognitive benefits too.
Found in
- Creatine
Magnesium Glycinate
Highly bioavailable form of magnesium. Supports relaxation, sleep quality, and muscle recovery without the GI discomfort cheaper forms cause.
Found in
- Magnesium Glycinate
- Recovery
What customers say
4.8 / 5 from 100+ Reviews
Verified Amazon reviews from people who've actually used the range — the good, the honest, and the repeatable.
Refer & Win
Win a £100 Amazon Gift Card
Every successful referral gets you another entry in our monthly draw. No limit, no catch — the more friends you bring, the better your odds.
Refer a FriendDrawn first of every month
Amazon Gift Card
£100.00
Awarded to
A Lucky Referrer
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