Isopure Zero Carb 100% Whey Protein Isolate vs Transparent Labs Grass-Fed Whey Protein Isolate
Transparent Labs Grass-Fed Whey Protein Isolate edges ahead on a protein + calorie + rating blend. Transparent Labs Grass-Fed Whey Protein Isolate scores higher in that blend because it offers more protein per serving (28g vs 25g), the stronger user rating (4.6 vs 4.4).
Full side-by-side of protein, calories, macros, and protein density for Isopure Zero Carb 100% Whey Protein Isolate and Transparent Labs Grass-Fed Whey Protein Isolate below.
Isopure
Wins on: Calories, Sugar, Protein per 100 cal
Protein
25g
Calories
110
Protein per 100 cal
22.7g
Pros
- Lower calorie load: 110 calories vs 130.
- Better protein density: 22.7g protein per 100 calories.
Cons
- Less protein per serving: 25g vs 28g.
- Weaker review score: 4.4 vs 4.6.
Transparent Labs
Wins on: Protein
Protein
28g
Calories
130
Protein per 100 cal
21.5g
Pros
- More protein per serving: 28g vs 25g.
- Stronger shopper rating: 4.6 vs 4.4.
Cons
- Higher calorie count: 130 vs 110.
- Lower protein density than Isopure Zero Carb 100% Whey Protein Isolate (21.5g vs 22.7g protein per 100 calories).
| Metric | Isopure Zero Carb 100% Whey Protein Isolate | Transparent Labs Grass-Fed Whey Protein Isolate |
|---|---|---|
| Protein | 25g | 28gBest |
| Calories | 110Best | 130 |
| Sugar | 0gBest | 1g |
| Fiber | — | — |
| Sodium | — | — |
| Carbs | — | — |
| Fat | — | — |
| Protein per 100 cal | 22.7gBest | 21.5g |
“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: Transparent Labs Grass-Fed Whey Protein Isolate wins, 28g vs 25g.
- Calories: Isopure Zero Carb 100% Whey Protein Isolate wins, 110 vs 130.
- Sugar: Isopure Zero Carb 100% Whey Protein Isolate wins, 0g vs 1g.
- Protein per 100 cal: Isopure Zero Carb 100% Whey Protein Isolate wins, 22.7g vs 21.5g.
Transparent Labs Grass-Fed Whey Protein Isolate edges ahead on a protein + calorie + rating blend.
Transparent Labs Grass-Fed Whey Protein Isolate scores higher in that blend because it offers more protein per serving (28g vs 25g), the stronger user rating (4.6 vs 4.4). 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
Transparent Labs Grass-Fed Whey Protein Isolate has more protein per serving: 28g versus 25g.
Isopure Zero Carb 100% Whey Protein Isolate is the lighter option at 110 calories, compared with 130 calories for the alternative.
Isopure Zero Carb 100% Whey Protein Isolate is the more protein-dense pick at about 22.7g of protein per 100 calories.
"Healthier" depends on your goal: Transparent Labs Grass-Fed Whey Protein Isolate has more protein (28g vs 25g); Isopure Zero Carb 100% Whey Protein Isolate has less sugar (0g vs 1g); Isopure Zero Carb 100% Whey Protein Isolate is lower in calories (110 vs 130). 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.
Transparent Labs Grass-Fed Whey Protein Isolate edges ahead on a protein + calorie + rating blend. Transparent Labs Grass-Fed Whey Protein Isolate scores higher in that blend because it offers more protein per serving (28g vs 25g), the stronger user rating (4.6 vs 4.4). Because they are in the same category, this is a direct apples-to-apples comparison.
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