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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 tested24Under 2 g sugar14No sweeteners3Dairy-free0Gluten-free15

Type

Whey isolate24Whey blend26Clear whey4Casein and milk10Plant-based18Egg, beef, collagen1Gainers and meal shakes9

24 powders · Clear filters

Highest score
BulkSupplements

Casein Protein Powder

Casein · 30 g scoop
NSF Certified for SportNo sweeteners
Protein
25g
Sugar
0g
Our score
100/100
$0.64 / servingChecked 2026-10-14
Applied Nutrition

Clear Whey Protein

Clear Whey · 25 g scoop
Informed Sport
Protein
21.27g
Sugar
0.24g
Our score
100/100
Price not verifiedChecked 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
1st Phorm

Phormula-1 Clear

Clear Whey · 28 g scoop
NSF Certified for Sport
Protein
22g
Sugar
0g
Our score
88/100
$2.78 / servingChecked 2026-10-13
Myprotein

Clear Whey Isolate

Clear Whey · 25 g scoop
Informed Choice
Protein
20g
Sugar
0g
Our score
86/100
$1.80 / servingChecked 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
$1.92 / 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
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
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
MuscleMeds

Carnivor Beef Protein Isolate

Beef · 31.7 g scoop
Informed ChoiceProprietary blendAdded amino acids
Protein
23g
Sugar
0g
Our score
58/100
$1.42 / servingChecked 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
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
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
GNC AMP

AMP Mass XXX with MyoTor

Mass Gainer · 208 g scoop
Informed Choice8 g sugarAdded amino acids
Protein
50g
Sugar
8g
Our score
44/100
$7.69 / servingChecked 2026-10-14
MHP

Up Your Mass XXXL 1350

Mass Gainer · 347.5 g scoop
Informed Choice11 g sugarProprietary blend
Protein
50g
Sugar
11g
Our score
34/100
$5.86 / servingChecked 2026-10-14