Whey and whey isolate comparison
Transparent Labs 100% Grass-Fed Whey Protein Isolate vs Legion Athletics Whey+ Grass-Fed Whey Protein Isolate
Transparent Labs Whey scores higher on our standard, 90/100 to 67/100. It earns more points for third-party testing (Informed Choice and Informed Protein vs none found) and protein density (80% vs 76% protein by weight). Per 25 g of protein, Transparent Labs Whey costs $1.93 and Legion Whey+ $2.65.
Both are scored out of 100 against our published standard: protein density, third-party testing, label transparency, sugar, ingredient simplicity and verified label data. Every number below is from the manufacturer's label; last checked 2026-10-13.
Transparent Labs
100% Grass-Fed Whey Protein Isolate
Legion Athletics
Whey+ Grass-Fed Whey Protein Isolate
Side by side
Per serving, from each label. Bold marks the better score, protein density, sugar and cost where the two differ. How we score
| Compared | Transparent Labs Whey | Legion Whey+ |
|---|---|---|
| Our score | 90/100 (better) | 67/100 |
| Protein density | 30 / 30 (better)80% of each scoop is protein | 22 / 3076% of each scoop is protein |
| Third-party testing | 15 / 25 (better)Independently tested for contaminants or label accuracy | 0 / 25No verified independent testing program |
| Label transparency | 20 / 20Fully disclosed formula, no amino spiking | 20 / 20Fully disclosed formula, no amino spiking |
| Sugar | 10 / 101 g sugar per serving | 10 / 101 g sugar per serving |
| Ingredient simplicity | 10 / 10Natural flavors and sweeteners | 10 / 10Natural flavors and sweeteners |
| Verified label data | 5 / 57 of 7 label values verified | 5 / 57 of 7 label values verified |
| Type | Whey Isolate | Whey Isolate |
| Protein per serving | 28 g | 22 g |
| Serving size | 1 Scoop (34.9g) | 1 scoop (28.9 g) |
| Protein by weight | 80% (better) | 76% |
| Sugar | 1 g | 1 g |
| Calories | 130 | 100 |
| Cost per 25 g protein | $1.93 (better) | $2.65 |
| Price per serving | $2.17 | $2.33 |
| Third-party certifications | Informed Choice, Informed Protein | Truly Grass Fed |
| Sweeteners | Stevia Extract | Stevia Leaf Extract, OvaSweet (Stevia Extract, Dextrin) |
| Allergens | Milk | Milk |
| Proprietary blend | No | No |
| Added free amino acids (amino spiking) | No | No |
| Last checked | 2026-10-13 | 2026-10-13 |
Which to choose
Only the differences in our records. A value we couldn't verify never counts as a difference.
Choose Transparent Labs Whey if…
- You want independent testing for contaminants or label accuracy (Informed Choice and Informed Protein); we found no third-party testing for Legion Whey+.
- You want more protein per serving (28 g vs 22 g).
- You want more of each scoop to be protein (80% vs 76% by weight).
- You want to pay less per 25 g of protein ($1.93 vs $2.65).
- You want more flavors to choose from (22 vs 4).
Choose Legion Whey+ if…
- You want fewer calories per serving (100 vs 130).
The two powders
Good to know
Labels and prices change, so check the package before buying, especially if you have allergies. If you are pregnant, nursing, buying for a child or managing a health condition, ask your doctor before adding a supplement.