Find the Best Supplements, Backed by Evidence
Independent, evidence-based reviews of supplements available in the UK. We research, compare, and rank so you can make informed choices.
Supplement Categories
We're building the most comprehensive supplement review database in the UK. Starting with the essentials.
Magnesium
Compare the best magnesium supplements for sleep, muscles, and overall health.
Vitamin D
Essential for bones, immunity, and mood — especially in UK winters.
Coming SoonOmega-3
Fish oil and plant-based omega-3s for heart and brain health.
Coming SoonProbiotics
Gut health supplements with live cultures for digestion and immunity.
Coming SoonTop Magnesium Picks
Our highest-rated magnesium supplements available in the UK right now.
NF Pure Magnesium Glycinate
NF Supplements
NF Pure Magnesium Glycinate is our #1 pick because it does what most competitors won't — use pure glycinate without hiding cheap magnesium oxide in the formula. Every batch is independently lab tested with results scannable via QR code, it's made in Oxford, and the 282mg of elemental magnesium per serving is genuinely absorbable.
Zipvit Magnesium Glycinate 2000mg
Zipvit
Zipvit is the cheapest per gram and delivers close to its claimed dose (384mg vs 400mg claimed), but our lab analysis suggests the formula is buffered with magnesium oxide — meaning the absorption rate may be significantly lower than a pure glycinate product.
British Supplements Clean Genuine Magnesium 1,404mg
British Supplements
British Supplements delivers on its 'clean' promise — no fillers, no oxide, and the maths check out. But at just 140mg of elemental magnesium per serving, the dose is too low to be a practical daily magnesium supplement without taking multiple servings.
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Every product we review is available to buy in the UK. Prices, retailers, and regulations are all UK-specific.