Head to head · Protein Powder
Legion Whey+ Grass-Fed Whey Protein Isolate vs Transparent Labs 100% Grass-Fed Whey Protein Isolate
Transparent Labs scores higher overall (8.8 vs 8.3 out of 10) and leads on all five factors we score.
Updated September 2026 from our full reviews · How we score
A naturally sweetened whey isolate from Truly Grass Fed-certified Irish milk, with Labdoor certification and batch lab reports linked online.
We may earn a commission when you buy through these links — it never affects our scores. How we make money
A grass-fed whey isolate with 28 g of protein per scoop, stevia instead of artificial sweeteners, and NSF Certified for Sport status.
We may earn a commission when you buy through these links — it never affects our scores. How we make money
We may earn a commission when you buy through these links — it never affects our scores. How we make money
The short answer
Choose Legion if…
- People avoiding artificial sweeteners and dyes
- Shoppers who want verified grass-fed sourcing
- Buyers who like checking lab reports
Choose Transparent Labs if…
- Drug-tested athletes
- Clean-label shoppers avoiding artificial sweeteners
- People who want grass-fed sourcing
- Lactose-sensitive lifters
- You care most about efficacy, quality & purity, value, experience, transparency
Side by side
| Whey+ Grass-Fed Whey Protein Isolate | 100% Grass-Fed Whey Protein Isolate | |
|---|---|---|
| Our score | 8.3 / 10 | 8.8 / 10 |
| Efficacy (30%) | 8.4 | 9.1 |
| Quality & Purity (25%) | 8.9 | 9.4 |
| Value (20%) | 7.0 | 7.4 |
| Experience (15%) | 8.0 | 8.6 |
| Transparency (10%) | 9.2 | 9.5 |
| Form | Powder | Powder |
| Serving | 1 scoop (26 g, Dutch Chocolate)30 servings per container | 1 scoop (34.9 g)30 servings per container |
| Price per serving | See retailer | $2.17 |
| Testing & certifications | NSF Contents CertifiedThird-party testedNon-GMO Project Verified | NSF Certified for SportInformed Choice |
| Dietary | Gluten-free, Non-GMO, Sugar-free | Gluten-free |
| Key ingredients |
|
|
| Flavors | 8 (Dutch Chocolate, French Vanilla, Cinnamon Cereal…) | 8 (Milk Chocolate, French Vanilla, Dark Chocolate…) |
| Creator video reviews | 5 | 5 |
Pros and cons
Whey+ Grass-Fed Whey Protein Isolate
- Whey isolate certified under the Truly Grass Fed program
- NSF contents-certified (Dutch Chocolate and French Vanilla) and Labdoor-certified, with certificates of analysis linked online
- No artificial sweeteners or dyes, and no added sugar
- buyers often mention smooth mixing and easy digestion
- 21 to 23 g of protein per scoop, a little below leading isolates
- About $2.06 per serving, with a higher list price on the brand site
- Stevia is noticeable to some reviewers
- Not in the NSF Certified for Sport or Informed Choice programs, and the Amazon listing states it contains milk and soy
100% Grass-Fed Whey Protein Isolate
- 28 g of protein per scoop from grass-fed whey isolate
- Listed in NSF's Certified for Sport database and certified by Informed Choice (per the brand)
- Every ingredient disclosed by weight, with batch test results published online
- No artificial sweeteners, dyes or preservatives
- buyers frequently describe it as easy on the stomach
- About $2.17 per serving for the 30-serving tub, well above whey blends
- Stevia can leave an aftertaste some people dislike
- Made on equipment that also processes eggs, soy, wheat, shellfish, fish oil, tree nuts and peanut oil, and some flavors contain peanuts
- Mostly sold through the brand site and Amazon, so in-store discounts are rare
Our verdicts
Whey+ Grass-Fed Whey Protein Isolate
Legion Whey+ is one of the most credible naturally sweetened whey isolates, pairing certified grass-fed sourcing with public lab testing. You get slightly less protein per scoop than some rivals and pay a premium, but for buyers avoiding artificial sweeteners who want proof of what is in the bag, it is an easy recommendation.
Full review
100% Grass-Fed Whey Protein Isolate
For shoppers who prioritize ingredient transparency and third-party verification, this is one of the strongest whey isolates available: 28 g of protein, a short stevia-sweetened ingredient list, NSF Certified for Sport status and public batch testing. The trade-off is price, at more than $2 per serving, and stevia's flavor will not suit everyone.
Full review