Optimum Nutrition Gold Standard BCAA Train + Sustain for FATIGUE REDUCTION and IMMUNE SUPPORT ; a delicious and refreshing intra -workout shake. ON Gold Standard BCAA Train + Sustain contains 374 mg of ELECTROLYTES, 200 mg of RHODIOLA and 2.6 g of L-Leucine in each serving plus 5 g of BCAAs in a 2:1:1 ratio.
