
Optimum Nutrition · Protein Powder
Optimum Nutrition Gold Standard 100% Whey
The gym-locker-room classic: 24g of whey per scoop, isolate first, and more flavors than you can drink.
| Protein | 24g per scoop |
| Main source | Whey protein isolate |
| Big tub | 5 lb, 74 servings (Double Rich Chocolate) |
| Mixing | Instantized, shaker-friendly |
| Amazon rating | 4.7★ from 49K+ ratings |
Everything on the Optimum Nutrition Gold Standard 100% Whey

Top List
The 10 Best Protein Powders of 2026 for Building Muscle Without Chugging Chalk
You lift. You eat. You still can't hit your protein. Here are the 10 best protein powders, from the classic whey tub to lactose-free, plant-based and zero-carb picks.

Must-Have
Why Optimum Nutrition Gold Standard Whey Is the Protein Powder Every Guy Should Own
24g of protein, mixes in seconds, and Double Rich Chocolate tastes like a reward. Here's why the Gold Standard tub has earned its spot on the kitchen counter.
Versus
Optimum Nutrition Gold Standard vs Dymatize Elite Whey: Which Protein Powder Should You Buy?
The most famous whey on earth versus the rival that's got 1g more protein per scoop. We compared labels, macros, flavors and owner reviews to find the better tub.
