Comparison
100% Casein Chocolate Supreme and Gold Standard 100% Whey Chocolate Hazelnut
100% Casein Chocolate Supreme (GNC Pro Performance) lists 11 distinct ingredients and Gold Standard 100% Whey Chocolate Hazelnut (ON Optimum Nutrition) 11 (rows of one ingredient counted once); 11 are on both labels. On the site's similarity measure, which compares ingredient lists (1 for the same list, rarer ingredients counting for more; amounts are not part of it), the two formulas score 1.00: the same ingredients, at the amounts in the table below.
| Ingredient | 100% Casein Chocolate Supreme | Gold Standard 100% Whey Chocolate Hazelnut |
|---|---|---|
| Carbohydrate | 4 g | 4 g |
| Calcium | 600 mg (46%) | 140 mg (11%) |
| Sodium | 200 mg | 160 mg |
| Sugar | 1 g | 1 g |
| Fat (unspecified) | 1.5 g | 1.5 g |
| Potassium | 260 mg (6%) | 240 mg (5%) |
| Protein | 25 g | 24 g |
| Fiber | 1 g | 1 g |
| Iron | 1 mg (6%) | 0.7 mg (4%) |
| Saturated fat | 0.5 g | 0.5 g |
| Cholesterol | 20 mg | 35 mg |
Amounts are per serving as DSLD gives them: 100% Casein Chocolate Supreme, 35 g; Gold Standard 100% Whey Chocolate Hazelnut, 33 g. Current labels entered January 2022 and June 2025. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- 100% Casein Chocolate SupremeGNC Pro Performance: every row against all products listing it
- Gold Standard 100% Whey Chocolate HazelnutON Optimum Nutrition: every row against all products listing it