Gold Standard 100% Whey Blend 24g blended protein consisting of whey protein isolate, whey protein concentrate, and whey peptides to support lean muscle mass they don’t call it the Gold Standard of standard for nothing. What Does It Have 5 grams of naturally occurring BCAAs and over 4 grams of glutamine and glutamic acid in each serving ‚which helps to build lean and strong muscles; Gluten Free. When To Use Great before or after exercise, between meals, with a meal, or any time of day where you need extra protein in your nutrition.