Optimum Nutrition Gold Standard 100% Whey™ is the world's bestselling whey protein. 24g of protein per serving, helping to build and maintain muscle High quality whey protein isolate and whey protein concentrate blend. Isolate is the purest form of whey protein that exists. 5.5g of naturally occuring BCAA's per serving Low sugar, with only 0.7g per serving Optimum Nutrition has been trusted to provide the highest quality in post-workout recovery, pre-workout energy, and on-the-go sports nutrition products for over 30 years and in 90+ countries worldwide. Unlock your body's full potential thanks to the highest production standards and quality ingredients. After training, your body uses protein to help repair and rebuild muscle fibres. Gold Standard Whey delivers 24g of whey protein and 5.5g of naturally occuring BCAA's to support muscle growth, and 4g of glutamine and glutamine acid to reduce muscle soreness. All with just 1.5g of fat, 0.7g of sugars, and with 1.5g of carbs. Gold Standard Whey is best enjoyed first thing in the morning and/or during the 30 minutes just before or immediately after training. Simply mix one rounded scoop (32g) with 180-240 ml (6-8 oz) of water in an ON shaker.