Category guide · 2026

Best Protein Powders

Best Protein Powders ranked by clinical evidence, ingredient dosing and manufacturing transparency. Top pick: Transparent Labs 100% Grass-Fed Whey Protein Isolate (92/100). Updated 2026.

Ranked by science score

  1. Transparent Labs 100% Grass-Fed Whey Protein Isolate — 92/100 · $60
  2. Clean Protein — 91/100 · $59.95
  3. Bare Performance Nutrition Whey Protein — 91/100 · $50
  4. Thorne Whey Protein Isolate — 90/100 · $56
  5. Essential Whey Protein Isolate — 90/100 · $59.95
  6. Momentous Essential Grass-Fed Whey Protein — 90/100 · $55
  7. Optimum Nutrition Gold Standard 100% Whey Protein — 89/100 · $29.99
  8. Ascent Native Fuel Whey Protein — 89/100 · $45
  9. Vital Proteins Collagen Peptides — 88/100 · $27
  10. Unflavored Whey Protein Isolate — 88/100 · $90
  11. Momentous Essential Plant-Based Protein — 87/100 · $55
  12. Kaged Micellar Casein — 87/100 · $45
  13. Momentous Whey Protein Isolate — 87/100 · 60
  14. Vega Sport Premium Protein — 86/100 · $45
  15. Dymatize ISO100 Hydrolyzed Whey Protein Isolate — 85/100 · $34
  16. 100% Plant Protein Powder — 85/100 · $49.95
  17. Dymatize Elite 100% Whey Protein — 84/100 · $30
  18. Dymatize Elite Casein Protein — 83/100 · $35
  19. Rule 1 R1 Whey Blend — 83/100 · $35
  20. Optimum Nutrition Gold Standard 100% Casein — 82/100 · $40

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