Optimum Nutrition Gold Standard 100% Whey Isolate is designed for athletes who demand the highest level of protein purity. Built around hydrolysed and ultra-filtered whey protein isolate, this premium formula delivers fast digestion, clean macros and exceptional mixability to support lean muscle growth and recovery.
Each serve provides 25g of high-quality whey protein isolate that has undergone advanced filtration to remove excess fat, cholesterol and sugars. A portion of the isolate is hydrolysed—broken into smaller amino acid chains—allowing for quicker absorption and easier digestion.
Ultra-Pure Protein for Lean Performance
Gold Standard 100% Whey Isolate contains no more than 1g of carbohydrates and less than 1g of fat per serve, making it ideal for cutting phases, calorie-controlled diets or anyone looking to maximise protein intake without unnecessary extras.
With over 80% pure protein per serve and 5.5g of naturally occurring BCAAs, this fast-digesting formula helps support muscle repair, strength development and post-workout recovery—without weighing you down.
Why Choose Gold Standard 100% Whey Isolate
- 25g Hydrolysed & Ultra-Filtered Whey Isolate per serve
- At least 80% pure protein for lean muscle support
- Low-fat & low-carb profile (≤1g carbs, <1g fat)
- 5.5g naturally occurring BCAAs per serve
- Fast digestion for rapid amino acid delivery
- Gluten free
- Banned-substance tested (Informed Choice certified)
Clean Taste, Easy Mixing
Gold Standard 100% Whey Isolate mixes smoothly in cold water or milk and delivers a clean, premium taste across a range of popular flavours including Chocolate Bliss, Rich Vanilla, Strawberry Cream, Caramel Ice Cream and Chocolate Mint Brownie.
How to Use Gold Standard 100% Whey Isolate
Mix one scoop with 200–300ml of cold water, milk or your preferred beverage. Shake or blend until fully dissolved.
Consume 30–60 minutes post-workout for optimal recovery, or use anytime throughout the day to help meet daily protein requirements as part of a balanced diet.