Protein powders, ranked

380 powders scored against our published standard. Every number comes from the manufacturer's label; a dash means we couldn't verify it. Last checked 2026-10-14.

What matters to you

Third-party tested2 Under 2 g sugar2 No sweeteners3 Dairy-free0 Gluten-free2

Type

Whey isolate10 Whey blend12 Clear whey0 Casein and milk3 Plant-based11 Egg, beef, collagen2 Gainers and meal shakes1

3 powders · Clear filters

Highest score

BulkSupplements

Casein Protein Powder

Casein · 30 g scoop

NSF Certified for SportNo sweeteners

Protein

25g

Sugar

Our score

100/100

$0.64 / servingChecked 2026-10-14

Naked Nutrition

Naked Casein Micellar Casein Protein Powder

Casein · 30 g scoop

NSF Contents CertifiedNo sweeteners

Protein

26g

Sugar

Our score

90/100

$0.39 / servingChecked 2026-10-13

NOW Foods

NOW Sports Micellar Casein

Casein · 24 g scoop

No third-party testing foundNo sweeteners

Protein

19g

Sugar

—

Our score

56/100

Price not verifiedChecked 2026-10-13