Skip to content
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
It's Just!

100% Micellar Casein

Casein · 33 g scoop
No third-party testing foundNo sweeteners
Protein
28g
Sugar
1g
Our score
75/100
$1.32 / servingChecked 2026-10-14
Muscle Feast

Micellar Casein Protein

Casein · 32 g scoop
No third-party testing found
Protein
27g
Sugar
0g
Our score
75/100
$1.69 / 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
Iconic

Grass-Fed Protein Powder

Milk Protein · 27 g scoop
No third-party testing found
Protein
20g
Sugar
0g
Our score
67/100
$2.47 / servingChecked 2026-10-14
Optimum Nutrition

Gold Standard 100% Casein

Casein · 34 g scoop
No third-party testing found
Protein
24g
Sugar
1g
Our score
63/100
Price not verifiedChecked 2026-10-13
BodyTech

Micellar Casein

Casein · 32 g scoop
No third-party testing found
Protein
24g
Sugar
0g
Our score
63/100
$1.35 / servingChecked 2026-10-14
JYM Supplement Science

Pro JYM Protein Powder

Milk Protein · 36 g scoop
No third-party testing found
Protein
24g
Sugar
1g
Our score
59/100
Price not verifiedChecked 2026-10-13
PhD Nutrition

Smart Protein Powder

Milk Protein · 30 g scoop
No third-party testing found
Protein
18g
Sugar
0.6g
Our score
48/100
Price not verifiedChecked 2026-10-14