Official brand

Optimum Nutrition

United States

Optimum Nutrition (ON) is one of the best-known names in sports nutrition. Brothers Tony and Mike Costello founded it in the USA in 1986, and since 2008 it has been part of Ireland's Glanbia group. ON products are sold in more than 100 countries. Its signature product is Gold Standard 100% Whey — one of the world's best-selling whey proteins, with 24 g of protein per serving and dozens of flavours. ON pioneered slow-digesting protein with Gold Standard 100% Casein; Amino Energy, Serious Mass and Micronized Creatine are also its classics. Who it suits: everyone from first-time protein buyers to professional athletes who want consistent quality and a powder that mixes well. ⭐ Quality score: 5/5 — large-scale production, strict quality control and decades of reputation.Read more

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Other Brands

Brands

BSN

BSN (Bio-Engineered Supplements & Nutrition) was founded in Florida, USA in 2001 and quickly became one of the leading brands. Glanbia (owner of Optimum Nutrition) acquired it in 2011. BSN's best-known product is Syntha-6, a multi-source protein of whey concentrate, whey isolate and micellar casein. The blend digests over a longer period and tastes like a smooth milkshake. The N.O.-Xplode pre-workout and True-Mass gainer are classics too. Who it suits: anyone looking for a tasty, filling protein, people who drink protein during the day or before bed, and those building mass. ⭐ Quality score: 4.5/5 — Glanbia's quality system and long-proven recipes.

18 products

Nutricost

Nutricost is a brand from Utah, USA known for simple, clean-label supplements. Its products are made in a GMP-compliant facility and tested by an independent accredited lab. The range is mostly single-ingredient: creatine monohydrate, glutamine, beta-alanine, citrulline, vitamins, minerals, CoQ10 and omega-3 — precisely dosed formulas without unnecessary extras at a fair price. Who it suits: experienced athletes who build their own stack and value exact doses and good value. ⭐ Quality score: 4/5 — independent testing and GMP manufacturing.

12 products

Body Builder

Body Builder is a sports nutrition brand manufactured in the EU to GMP standards.

1 product

MuscleMeds

MuscleMeds is a US brand known above all for Carnivor, a protein isolate made by hydrolysing USDA-inspected beef — one of the first products to make beef protein popular in sports nutrition. Carnivor contains no dairy, lactose or sugar and includes creatine monohydrate and BCAAs, making it a great alternative for anyone who can't tolerate milk. Carnivor Mass gainer and Carnivor Shred complete the range. Who it suits: people who are lactose-sensitive or want dairy-free protein, and paleo eaters. ⭐ Quality score: 4/5 — a pioneer of beef protein.

11 products