Gold Standard Excellence: The Premium Muscle Support & Recovery Formula
The Optimum Nutrition (ON) Gold Standard 100% Whey Protein Powder (4 kg) is the world’s most trusted fitness supplement, engineered to optimize lean muscle growth and accelerate post-workout recovery. Formulated with Whey Protein Isolate as the primary source, this premium protein powder drink mix filters out excess fat, cholesterol, and lactose to deliver a highly concentrated dose of pure protein. In the fan-favorite Double Rich Chocolate Flavour, this nutraceutical mix dissolves smoothly in water or milk, serving as the ultimate nutritional foundation for athletes and fitness enthusiasts alike.
Key Highlights:
- Whey Isolate Primary Source: Crafted using 100% of the protein from whey, with premium Whey Protein Isolate establishing the primary nutritional matrix for rapid absorption and clean delivery.
- 24 g of Pure Muscle-Building Protein: Every serving packs 24 grams of high-quality protein to actively help build and maintain lean muscle mass post-strenuous training.
- 5.5 g of Natural BCAAs: Fortified with 5.5 grams of naturally occurring Branched-Chain Amino Acids (BCAAs) per serving to support muscle endurance, fight fatigue, and boost recovery times.
- Banned Substance Tested: Rigorously evaluated and certified as banned substance tested, providing maximum safety, quality control, and peace of mind for competitive athletes.
- Massive 4 kg Tub (131 Servings): Delivered in a heavy-duty, large-capacity 4 kg container that yields an impressive 131 full-strength servings, making it exceptionally cost-effective for daily fitness regimens.
- Double Rich Chocolate Flavour: Delivers a smooth, rich cocoa malt taste profile that blends effortlessly without clumping, ensuring a premium shaker experience every single time.
Technical Specifications:
| Brand | Optimum Nutrition (ON) |
| Product Type / Category | Protein Powder Drink Mix / Nutraceutical |
| Net Weight / Servings | 4 kg (Heavy-Duty Tub) / 131 Servings |
| Flavor Profile | Double Rich Chocolate Flavour |
| Protein / BCAAs Per Serving | 24 g Protein / 5.5 g BCAAs |
| Dietary Profile | 100% Vegetarian (Green Dot Certified) |
| Authentication | Includes secure ON Tru Seal authentication badge for verification |
| Use By | January 2028 |



