Get started today. Take control of your fitness goals. For muscle support & recovery. Helps build and maintain muscle (when taken over time with regular resistance training). Supports endurance and recovery. Whey protein isolate primary source. Banned substance tested. 100% of the protein from whey. 22 serves. Why Gold Standard 100% Whey? Packed with 24 grams of high-quality protein per serving to help build muscle (when taken over time with regular resistance training). Whey Protein Isolate (WPI) is the primary ingredient with further carbs and fat 'isolated' out. 11 grams of naturally occurring Essential Amino Acids (EAAs) to support muscle recovery. The Gold Standard for protein quality, fueling over 2 billion workout recoveries worldwide since 1998. Strength training. Sports performance. Active lifestyle. Optimum Nutrition has been trusted to provide the highest quality in post-workout recovery, pre-workout energy, and on-the-go sports nutrition for over 30 years and in 90+ countries. After careful supplier selection, each ingredient is tested to assure exceptional purity, potency and composition. We hold ourselves to the highest production standards, all so you can unlock your body's full potential. Gold Standard 100% Whey is designed for maximum mixability and superior drinkability. No artificial growth hormones (no significant difference has been shown between milk derived from rBST-treated and non-rBST treated cows). Authentic Optimum Nutrition product. Contents sold by weight not volume. Serving scoop included, but may settle to the bottom during shipping. Trusted by Sport: Informed-Choice is a quality assurance program for sports nutrition products. The program certifies that nutritional supplements that bear the informed-choice logo have been tested for banned substances by the world class sports anti-doping lab, LGC Limited. Informed-Choice.org.