About this site

Gym Product Review rates gym supplements — protein, pre-workouts, creatine, amino acids, electrolytes and more — on numbers anyone can check: what the active ingredient actually costs, and whether a formula is dosed at the levels published research used.

Every published number traces to a source. Most nutrition data is transcribed from the product's own supplement facts panel by two independent readers, and such a product publishes only when the two readings agree on every value; the rest is parsed from the brand's own machine-readable nutrition data, and every product page says which. Prices come from the brands' own storefronts, named and dated wherever they appear; a retail listing appears only as a link, never as a price. Buyer-sentiment scores carry their review counts and link to the page they were read from.

Where a number cannot be verified, the site says insufficient data instead of estimating. That rule is inconvenient and we keep it anyway — it is the entire point.

The method, in one paragraph

Each product is scored on three or four weighted components, chosen per category: value (what the active costs — per gram of protein, per gram of creatine, per dosed serving, per can — ranked against its category), formula or dose integrity (computed from the label: protein density, sugar and calorie load, or each active measured against the dose published research used), label disclosure (how much of the formula the label actually quantifies), and consensus (a sourced buyer rating with a minimum review count). A component that cannot be measured is left out and the page says so; a score built on too little of the weighting is not published. The full method, including every dose threshold and its citation, is published at how we rate.

Independence

Some links earn this site a commission, and every page carrying one says so. No brand pays for a rating, no brand can raise or remove one, and products are rated identically whether or not there is money attached. See the affiliate disclosure.

Questions or corrections: contact us. If you spot a number that doesn't match the label it cites, we want to know.