Optimum Nutrition Gold Standard BCAA for around-training use
Optimum Nutrition Gold Standard BCAA delivers 5g of branched-chain amino acids per 9.5g scoop in the classic 2:1:1 ratio - 2g leucine, 1g isoleucine, 1g valine - alongside 2.5g L-alanine, Wellmune beta-glucan, rhodiola rosea, 80mg vitamin C, 114mg magnesium and 10mg zinc. The 266g tub provides 28 servings across multiple flavours.
The 2:1:1 BCAA ratio prioritises leucine, the primary amino acid that signals muscle protein synthesis, while isoleucine and valine support energy use during exercise. Magnesium contributes to normal muscle function and helps reduce tiredness and fatigue. Vitamin C supports the reduction of oxidative stress, and zinc contributes to normal protein synthesis - the combination of amino acids and functional vitamins and minerals separates this from a plain BCAA powder.
What distinguishes Gold Standard BCAA from most intra-workout powders at this price is the Wellmune beta-glucan and rhodiola rosea layer. Rhodiola is an adaptogen used in training contexts for resistance to fatigue under stress. This is not a straight amino acid product - it is an intra-workout and recovery drink built around the BCAA core with immune and stress-response co-ingredients added. From Optimum Nutrition, a brand with a 40-year track record in sports nutrition.
Built for fasted lifters, endurance athletes and anyone training across long sessions where plain water stops being enough. Not the right choice for anyone seeking a full EAA profile - the formula covers BCAAs only and the nine essential amino acids are not all present. Contains soy lecithin. Produced in a facility that handles milk. Not suitable for individuals with soy allergy.
Alternatives: Strom EssentialMax EAA 450g (14.4g total EAAs including all 9 essentials) for a complete amino profile, or Applied Amino Fuel EAA 390g for a comparable intra-workout EAA drink at a similar price point.
