Optimum NutritionGold Standard 100% Casein
Chocolate Supreme, casein
Bench Facts
Rated 4.6 out of 5 by 9,250 Amazon customers; blended with 100 average ratings, that’s a taste score of 4.60.
Nutrition Facts
53 servings per 4 lb tub (53 servings)
Amount per serving
As labeled for Chocolate Supreme. Source: optimumnutrition.com
Where the numbers come from
- Price
- $78.00 for 4 lb tub (53 servings) (53 servings) at Amazon, Oct 20, 2026.
- Rating
- 4.6 out of 5 from 9,250 ratings at Amazon, Oct 20, 2026.
- Nutrition
- optimumnutrition.com
- Research notes
Research notes
Price is Amazon's current one-time price (sold by Amazon.com, no deal badge, no Typical price shown). The 53 servings come from the brand's 4 lb Chocolate Supreme label. The brand's own store listed the same 53-serving (3.97 lb) tub at $97.49.
How it compares
Against the typical powder, the best powder on each measure, and chicken breast.
Protein concentration
Share of calories from protein. Higher is better.
Cost per gram of protein
What one gram of protein costs at regular retail price. Lower is better.
Shorter is cheaper.
Taste
Customer rating out of 5, adjusted for review count. Higher is better. Axis starts above zero.