Optimum Nutrition (ON) Gold Standard 100% Whey Protein Powder - 2 lbs, 907 g (Extreme Milk Chocolate), Primary Source Isolate

→ See all 277 Whey Blend products ranked by value

• 24 g High-Quality Whey Protein per Scoop – 100% of the protein from whey for a fast-absorbing, complete protein source that supports muscle maintenance and growth.

• 5.5 g Naturally-Occurring BCAAs + 11g of naturally occurring EAAs – Delivers essential amino acids including leucine, isoleucine, and valine to support post-workout muscle recovery, muscle strength and muscle building when taken over time with regular resistance training.

• Low Sugar, Low Carb, Low Fat — Ideal for Lean Muscle or Cutting Phases – With just ~1 g sugar, ~3 g carbs per serving, and whey protein isolate as the primary ingredient with further carbs and fat “isolated” out. It’s a high quality choice for athletes focused on lean muscle, weight management, or body-composition goals.

• Instantized & Easy-Mix Formula (Great Mixability) – Designed to dissolve smoothly in water, milk, or smoothies with a spoon, shaker, or blender — perfect for fast post-workout shakes or convenient protein boosts.

• Trusted Brand, Tested Quality & Versatile Use – For 35 years, athletes have trusted Optimum Nutrition to fuel their training. Gold Standard Whey is the trusted choice for gym-goers, athletes, and everyday fitness enthusiasts worldwide — use post-workout or as a protein supplement anytime.