Optimum Nutrition (ON) Gold Standard 100% Isolate is a premium, ultra-filtered whey protein powder engineered to deliver exceptionally high purity by removing excess fat, cholesterol, and sugars. It is designed primarily for athletes, bodybuilders, and fitness enthusiasts who require a fast-digesting protein source with highly restrictive macronutrient targets.
- Isolation: The raw whey undergoes structural filtration to strip away the vast majority of lactose, carbohydrates, and fats.
- Hydrolysis: A portion of the isolated protein is hydrolyzed, breaking down complex proteins into smaller amino acid chains for rapid digestion.
- 25 grams of pure protein to actively build and maintain lean muscle mass.
- 5.5 grams of naturally occurring Branched-Chain Amino Acids (BCAAs) to support muscle endurance and repair.
- 4.3 grams of glutamine and glutamic acid to enhance cellular recovery.
- 0.4 grams of fat and 0.3 grams of sugar making it an ultra-lean macronutrient option.




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