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Best Protein Powder

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 tested3Under 2 g sugar6No sweeteners7Dairy-free0Gluten-free7

Type

Whey isolate7Whey blend4Clear whey0Casein and milk2Plant-based9Egg, beef, collagen1Gainers and meal shakes1

7 powders · Clear filters

Highest score
AGN Roots

Grass-Fed Whey

Whey Isolate · 29 g scoop
Informed SportInformed ProteinNo sweeteners
Protein
25g
Sugar
0g
Our score
100/100
$0.66 / servingChecked 2026-10-13
BulkSupplements

Whey Protein Isolate 90% Powder

Whey Isolate · 30 g scoop
NSF Certified for SportNo sweeteners
Protein
25g
Sugar
0g
Our score
100/100
$0.70 / servingChecked 2026-10-13
Klean Athlete

Klean Isolate

Whey Isolate · 22.3 g scoop
NSF Certified for SportNo sweeteners
Protein
20g
Sugar
1g
Our score
99/100
Price not verifiedChecked 2026-10-13
Opportuniteas

Grass Fed Whey Protein Isolate

Whey Isolate · 30 g scoop
No third-party testing foundNo sweeteners
Protein
28g
Sugar
0g
Our score
75/100
$2.53 / servingChecked 2026-10-14
Syntrax

Nectar Medical

Whey Isolate · 11 g scoop
No third-party testing foundNo sweeteners
Protein
10g
Sugar
0g
Our score
75/100
$0.82 / servingChecked 2026-10-14
PureBulk

Whey Protein Isolate 90% (USA)

Whey Isolate · 30 g scoop
No third-party testing foundNo sweeteners
Protein
28g
Sugar
—
Our score
64/100
Price not verifiedChecked 2026-10-13