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Best Protein Powder

Protein powders, ranked

471 powders scored against our published standard. Every number comes from the manufacturer's label; a dash means we couldn't verify it. Last checked 2026-11-04. Use this comparison database to filter by what matters to you, then sort by score, price or protein per scoop.

Highest score
BulkSupplements

Casein Protein Powder

Casein · 30 g scoop
NSF Certified for SportNo sweeteners
Protein
25g
Sugar
0g
Our score
100/100
$1.24 / servingChecked 2026-10-14
Klean Athlete

Klean Casein

Casein · 30.7 g scoop
NSF Certified for Sport
Protein
24g
Sugar
1g
Our score
91/100
Price not verifiedChecked 2026-10-13
Believe Supplements

Isolate Protein

Milk Protein · 32.5 g scoop
Informed Protein
Protein
27g
Sugar
0g
Our score
86/100
Price not verifiedChecked 2026-10-14
Ascent

Micellar Casein

Casein · 36 g scoop
Informed Sport
Protein
25g
Sugar
1g
Our score
84/100
$1.80 / servingChecked 2026-10-14
GNC Pro Performance

Pro Performance 100% Casein

Casein · 33.8 g scoop
Informed Choice
Protein
25g
Sugar
0g
Our score
82/100
$2.40 / servingChecked 2026-10-14
GNC AMP

AMP Sustained Protein Blend

Milk Protein · 33.5 g scoop
Informed ChoiceInformed Protein
Protein
25g
Sugar
1g
Our score
78/100
$2.31 / servingChecked 2026-10-14
Dymatize

Elite Casein

Casein · 36 g scoop
Informed Choice
Protein
25g
Sugar
0g
Our score
74/100
Price not verifiedChecked 2026-10-13
Muscle Milk

Genuine Protein Powder

Milk Protein · 70 g scoop
NSF Certified for Sport
Protein
32g
Sugar
2g
Our score
66/100
Price not verifiedChecked 2026-11-04