Legion Whey+ Grass-Fed Whey Protein Isolate
Health-conscious lifters who want grass-fed isolate with natural sweeteners and full transparency

Optimum Nutrition Gold Standard 100% Whey
Budget-conscious gym-goers who want proven, great-tasting protein at the best value
Score Comparison
Pricing & Features
Making Your Decision
When to Choose Legion Whey+ Grass-Fed Whey Protein Isolate
Health-conscious lifters who want grass-fed isolate with natural sweeteners and full transparency
Legion Whey+ combines grass-fed Irish whey isolate with a clean, naturally sweetened formula. Labdoor A+ rating and published lab results provide strong purity assurance even without NSF certification. The taste is consistently praised for a natural-sweetener protein.
Strengths
- Naturally sweetened with stevia and erythritol — no artificial sweeteners or dyes
- Grass-fed whey isolate from Irish dairy with full label transparency
- Labdoor A+ rated with published independent lab test results
Limitations
- Not NSF Certified for Sport — relies on Labdoor independent testing
- Stevia-erythritol blend sweetener may have a slight aftertaste for some
- Slightly more expensive than comparable isolates at $1.67/serving
When to Choose Optimum Nutrition Gold Standard 100% Whey
Budget-conscious gym-goers who want proven, great-tasting protein at the best value
Gold Standard has been the world's best-selling protein powder for over a decade, and the value proposition is hard to beat — 74 servings at $1.08 each with Informed Choice certification. The trade-off is artificial ingredients and a whey blend rather than pure isolate.
Strengths
- Informed Choice certified — the most popular protein powder worldwide for a reason
- Outstanding value at $1.08/serving with 74 servings in the 5lb size
- Excellent taste and mixability across 20+ flavor options
Limitations
- Contains artificial flavors (acesulfame potassium) and soy lecithin
- Uses whey blend (isolate, concentrate, peptides) rather than pure isolate
- Does not publish independent lab test results or batch-level COAs
