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Best Protein Powder

Protein powders, ranked

215 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.

Highest score
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
Ascent

Micellar Casein

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

Pro Performance Weight Gainer

Mass Gainer · 185.4 g scoop
Informed ChoiceInformed Sport
Protein
50g
Sugar
—
Our score
65/100
$7.00 / servingChecked 2026-10-13
Optimum Nutrition

Gold Standard 100% Casein

Casein · 34 g scoop
No third-party testing found
Protein
24g
Sugar
1g
Our score
63/100
$1.08 / servingChecked 2026-10-13
Muscle Milk

Genuine Protein Powder

Milk Protein
NSF Certified for Sport
Protein
32g
Sugar
2g
Our score
59/100
Price not verifiedChecked 2026-10-13
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
$1.00 / servingChecked 2026-10-13
Syntrax

Trophix

Milk Protein · 31 g scoop
No third-party testing found
Protein
23g
Sugar
3g
Our score
59/100
Price not verifiedChecked 2026-10-14
Musashi

Bulk Protein Powder

Mass Gainer · 60 g scoop
Informed Sport14.5 g sugar
Protein
26g
Sugar
14.5g
Our score
58/100
Price not verifiedChecked 2026-10-14
Transparent Labs

Mass Gainer

Mass Gainer · 199 g scoop
Informed Choice12 g sugar
Protein
53g
Sugar
12g
Our score
58/100
$5.33 / servingChecked 2026-10-13
Naked Nutrition

Naked Mass

Mass Gainer · 321 g scoop
NSF Contents CertifiedNo sweeteners21 g sugar
Protein
50g
Sugar
21g
Our score
58/100
$7.27 / servingChecked 2026-10-14
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
Quest Nutrition

Protein Powder

Milk Protein · 30 g scoop
No third-party testing found
Protein
22g
Sugar
—
Our score
56/100
$1.67 / servingChecked 2026-10-13
Rule 1

Mass Gainer

Mass Gainer · 325 g scoop
Informed ChoiceInformed Protein14 g sugar
Protein
40g
Sugar
14g
Our score
54/100
$5.62 / servingChecked 2026-10-14
Dymatize

Super Mass Gainer

Mass Gainer · 335 g scoop
Informed Choice21 g sugar
Protein
52g
Sugar
21g
Our score
54/100
Price not verifiedChecked 2026-10-13
Syntrax

Micellar Crème

Casein · 29 g scoop
No third-party testing found
Protein
20g
Sugar
5g
Our score
51/100
$1.19 / servingChecked 2026-10-14
GNC Pro Performance

Pro Performance Bulk 1340

Mass Gainer · 361 g scoop
Informed Choice15 g sugar
Protein
50g
Sugar
15g
Our score
48/100
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
Syntrax

Goliath Protein Gainer

Mass Gainer · 132 g scoop
No third-party testing found
Protein
27g
Sugar
5g
Our score
43/100
$1.72 / servingChecked 2026-10-14
PEScience

Select Protein

Milk Protein · 31.5 g scoop
No third-party testing foundProprietary blendAdded amino acids
Protein
24g
Sugar
1g
Our score
43/100
$0.56 / servingChecked 2026-10-13
Garden of Life

RAW Organic Meal

Meal Replacement · 37.5 g scoop
No third-party testing foundProprietary blend
Protein
20g
Sugar
0g
Our score
41/100
$1.72 / servingChecked 2026-10-14
Optimum Nutrition

Gold Standard Pro Gainer

Mass Gainer · 165 g scoop
No third-party testing found7 g sugar
Protein
60g
Sugar
7g
Our score
39/100
$7.86 / servingChecked 2026-10-13
Syntrax

MacroPro

Meal Replacement · 42 g scoop
No third-party testing found11 g sugar
Protein
12g
Sugar
11g
Our score
39/100
$0.90 / servingChecked 2026-10-14
Mutant

Mutant Mass

Mass Gainer · 140 g scoop
No third-party testing found9 g sugar
Protein
28g
Sugar
9g
Our score
39/100
$3.12 / servingChecked 2026-10-13
Allmax

QuickMass Mass Gainer

Mass Gainer · 267 g scoop
No third-party testing found12 g sugar
Protein
64g
Sugar
12g
Our score
39/100
Price not verifiedChecked 2026-10-13
Optimum Nutrition

Serious Mass

Mass Gainer · 340 g scoop
No third-party testing found29 g sugar
Protein
50g
Sugar
29g
Our score
39/100
$9.31 / servingChecked 2026-10-13
Redcon1

MRE Meal Replacement

Meal Replacement · 140.5 g scoop
No third-party testing foundProprietary blend
Protein
46g
Sugar
2g
Our score
37/100
$3.33 / servingChecked 2026-10-13
BSN

True-Mass

Mass Gainer · 165 g scoop
No third-party testing found15 g sugar
Protein
47g
Sugar
15g
Our score
37/100
$4.86 / servingChecked 2026-10-14
GNC Total Lean

Total Lean Lean Shake Burn

Meal Replacement
No third-party testing found
Protein
30g
Sugar
1g
Our score
34/100
$3.44 / servingChecked 2026-10-13
Ka'Chava

Whole Body Meal

Meal Replacement · 62 g scoop
No third-party testing found7 g sugarProprietary blend
Protein
25g
Sugar
7g
Our score
33/100
$5.50 / servingChecked 2026-10-13
MuscleTech

Mass-Tech Extreme 2000

Mass Gainer · 569 g scoop
No third-party testing found21 g sugarAdded amino acids
Protein
60g
Sugar
21g
Our score
29/100
$8.00 / servingChecked 2026-10-13
GNC Total Lean

Total Lean Lean Shake 25

Meal Replacement
No third-party testing found
Protein
25g
Sugar
—
Our score
24/100
Price not verifiedChecked 2026-10-13