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Optimum Nutrition's Gold Standard 100% Whey uses pure whey protein isolate as the primary ingredient. Whey protein isolate is our primary ingredient, which has had carbohydrates, fat, and lactose isolated out using sophisticated filtering technologies.

Optimum Nutrition Optimum Nutrition, Gold Standard 100% Whey Protein Powder, Delicious Strawberry, 5 lb, 73 Servings - Black

Optimum Nutrition Optimum Nutrition, Gold Standard 100% Whey Protein Powder, 10 lb - Brown

For Muscle Support and Recovery 24 g Protein - Helps Build and Maintain Muscle  5.5 g BCAAs Supports Muscle Recovery Whey Protein Isolate - Primary Source Artificially Flavored 100% of the Protein from Whey Protein Powder Drink Mix No Artificial Growth Hormones Authentic Optimum Nutrition Product Informed-Choice, We Test You Trust Regularly Tested for Banned Substances Gluten Free Strength Training Sports Active Lifestyle Why Gold Standard 100% Whey? Packed with 24 grams of high-quality protein per serving to help build muscle.  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. 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+ c