Optimum Nutrition Gold Standard 100% Isolate vs Optimum Nutrition Gold Standard 100% Whey
Verdict: Optimum Nutrition Gold Standard 100% Isolate leads with 25 g protein and only 1 g carbs versus 24 g protein and 3 g carbs in the Whey version. The Isolate suits low-carb needs while the Whey provides better everyday value. Consumer Reports and similar supplement roundups note isolate's purity advantage but highlight the concentrate's broader appeal.
Winner: Optimum Nutrition Gold Standard 100% Isolate
Optimum Nutrition Gold Standard 100% Isolate: 8/10
Optimum Nutrition Gold Standard 100% Whey: 7/10
Spec-by-spec comparison
| Optimum Nutrition Gold Standard 100% Isolate | Optimum Nutrition Gold Standard 100% Whey | |
|---|---|---|
| Serving Size | 31 g | 31 g |
| Protein | 25 g | 24 g |
| Calories | 100 | 120 |
| Carbohydrates | 1 g | 3 g |
Optimum Nutrition Gold Standard 100% Isolate
What works
- Higher protein purity at 25 g per serving
- Lower carbohydrates at 1 g per serving
- Faster absorption due to isolate filtration
What doesn't
- Higher cost per serving than concentrate blends
- Can taste less creamy than whey concentrate
Optimum Nutrition Gold Standard 100% Whey
What works
- Better value with 24 g protein per serving
- Wider flavor variety and creamier texture
- Suitable for general daily use
What doesn't
- Higher carbohydrates at 3 g per serving
- Slower digestion compared to pure isolate
Bottom line
Our pick: Optimum Nutrition Gold Standard 100% Isolate.
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