Legion Whey+ Grass-Fed Whey Isolate Protein Powder vs Optimum Nutrition Gold Standard 100% Whey Protein Powder
This is a close call between Legion Whey+ Grass-Fed Whey Isolate Protein Powder and Optimum Nutrition Gold Standard 100% Whey Protein Powder on a protein + calorie + rating blend. Optimum Nutrition Gold Standard 100% Whey Protein Powder has a slight edge in that blend because it offers more protein per serving (24g vs 22g) and the stronger user rating (4.6 vs 4.3).
Full side-by-side of protein, calories, macros, and protein density for Legion Whey+ Grass-Fed Whey Isolate Protein Powder and Optimum Nutrition Gold Standard 100% Whey Protein Powder below.
Legion
Wins on: Calories, Protein per 100 cal

Protein
22g
Calories
100
Protein per 100 cal
22.0g
Pros
- Lower calorie load: 100 calories vs 120.
- Better protein density: 22.0g protein per 100 calories.
Cons
- Less protein per serving: 22g vs 24g.
- Weaker review score: 4.3 vs 4.6.
Optimum Nutrition
Wins on: Protein, Sugar

Protein
24g
Calories
120
Protein per 100 cal
20.0g
Pros
- More protein per serving: 24g vs 22g.
- Stronger shopper rating: 4.6 vs 4.3.
Cons
- Higher calorie count: 120 vs 100.
- Lower protein density than Legion Whey+ Grass-Fed Whey Isolate Protein Powder (20.0g vs 22.0g protein per 100 calories).
| Metric | Legion Whey+ Grass-Fed Whey Isolate Protein Powder | Optimum Nutrition Gold Standard 100% Whey Protein Powder |
|---|---|---|
| Protein | 22g | 24gBest |
| Calories | 100Best | 120 |
| Sugar | — | 1gBest |
| Fiber | — | — |
| Sodium | — | — |
| Carbs | — | — |
| Fat | — | — |
| Protein per 100 cal | 22.0gBest | 20.0g |
“Healthier” depends on your goal — here’s the real winner on every number we track, so two people with different priorities can both get the right answer.
- Protein: Optimum Nutrition Gold Standard 100% Whey Protein Powder wins, 24g vs 22g.
- Calories: Legion Whey+ Grass-Fed Whey Isolate Protein Powder wins, 100 vs 120.
- Sugar: Optimum Nutrition Gold Standard 100% Whey Protein Powder wins, 1g vs —.
- Protein per 100 cal: Legion Whey+ Grass-Fed Whey Isolate Protein Powder wins, 22.0g vs 20.0g.
This is a close call between Legion Whey+ Grass-Fed Whey Isolate Protein Powder and Optimum Nutrition Gold Standard 100% Whey Protein Powder on a protein + calorie + rating blend.
Optimum Nutrition Gold Standard 100% Whey Protein Powder has a slight edge in that blend because it offers more protein per serving (24g vs 22g) and the stronger user rating (4.6 vs 4.3). This blend won’t match your priorities if sugar, carbs, or diet fit matter more to you than protein, calories, and rating.
Frequently Asked Questions
Optimum Nutrition Gold Standard 100% Whey Protein Powder has more protein per serving: 24g versus 22g.
Legion Whey+ Grass-Fed Whey Isolate Protein Powder is the lighter option at 100 calories, compared with 120 calories for the alternative.
Legion Whey+ Grass-Fed Whey Isolate Protein Powder is the more protein-dense pick at about 22.0g of protein per 100 calories.
"Healthier" depends on your goal: Optimum Nutrition Gold Standard 100% Whey Protein Powder has more protein (24g vs 22g); Legion Whey+ Grass-Fed Whey Isolate Protein Powder is lower in calories (100 vs 120). Neither is objectively the "healthiest" for everyone — see the pick-by-priority breakdown above, or try our free AI Snack Finder to get matched to your specific goal.
This is a close call between Legion Whey+ Grass-Fed Whey Isolate Protein Powder and Optimum Nutrition Gold Standard 100% Whey Protein Powder on a protein + calorie + rating blend. Optimum Nutrition Gold Standard 100% Whey Protein Powder has a slight edge in that blend because it offers more protein per serving (24g vs 22g) and the stronger user rating (4.6 vs 4.3). Because they are in the same category, this is a direct apples-to-apples comparison.
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