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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 tested25Under 2 g sugar25No sweeteners3Dairy-free0Gluten-free17

Type

Whey isolate16Whey blend9Clear whey4Casein and milk9Plant-based10Egg, beef, collagen1Gainers and meal shakes0

25 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
Applied Nutrition

ISO-XP Whey Protein Isolate

Whey Isolate · 25 g scoop
Informed Sport
Protein
22.4g
Sugar
0.2g
Our score
100/100
Price not verifiedChecked 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
1st Phorm

Phormula-1

Whey Isolate · 28 g scoop
NSF Certified for SportInformed Choice
Protein
23g
Sugar
0g
Our score
95/100
$2.33 / servingChecked 2026-10-13
Kaged

Whey Protein Isolate

Whey Isolate · 35 g scoop
Informed Sport
Protein
25g
Sugar
1g
Our score
92/100
$2.07 / servingChecked 2026-10-14
Transparent Labs

100% Grass-Fed Whey Protein Isolate

Whey Isolate · 34.9 g scoop
Informed ChoiceInformed Protein
Protein
28g
Sugar
1g
Our score
90/100
$2.17 / servingChecked 2026-10-13
Musashi

Whey Protein Isolate (WPI)

Whey Isolate · 30 g scoop
Informed Sport
Protein
25.3g
Sugar
0.4g
Our score
90/100
Price not verifiedChecked 2026-10-14
Myprotein

Impact Whey Protein Elite

Whey Concentrate · 25 g scoop
Informed SportInformed Protein
Protein
21g
Sugar
1g
Our score
89/100
Price not verifiedChecked 2026-10-14
Myprotein

Impact Whey Isolate

Whey Isolate · 29 g scoop
Informed ChoiceInformed Protein
Protein
25g
Sugar
0g
Our score
86/100
Price not verifiedChecked 2026-10-13
Just Ingredients

Protein Powder

Whey Blend · 35.5 g scoop
NSF Certified for Sport
Protein
22g
Sugar
1g
Our score
84/100
$2.17 / servingChecked 2026-10-14
Faction Labs

100% Whey Protein

Whey Blend · 33.33 g scoop
Informed Sport
Protein
25.23g
Sugar
1.3g
Our score
82/100
Price not verifiedChecked 2026-10-14
Optimum Nutrition

Gold Standard 100% Whey

Whey Blend · 31 g scoop
Informed Choice
Protein
24g
Sugar
1g
Our score
78/100
$0.36 / servingChecked 2026-10-13
Rule 1

R1 Protein Whey Isolate

Whey Isolate · 32 g scoop
Informed Choice
Protein
25g
Sugar
0g
Our score
78/100
Price not verifiedChecked 2026-10-13
Biogen

Iso Whey Premium

Whey Blend · 30 g scoop
Informed Choice
Protein
20.9g
Sugar
1.9g
Our score
72/100
Price not verifiedChecked 2026-10-14
USN

Isozero Whey Protein

Whey Isolate · 23 g scoop
Informed ChoiceProprietary blend
Protein
20g
Sugar
0g
Our score
70/100
Price not verifiedChecked 2026-10-14
GNC AMP

AMP Wheybolic Ripped

Whey Blend · 69.3 g scoop
Informed ChoiceInformed ProteinAdded amino acids
Protein
50g
Sugar
1g
Our score
68/100
$2.69 / servingChecked 2026-10-14
Myprotein

Impact Whey Protein

Whey Concentrate · 25 g scoop
Informed ChoiceInformed Protein
Protein
—
Sugar
1g
Our score
54/100
Price not verifiedChecked 2026-10-13
PhD Nutrition

Diet Whey

Whey Blend · 32 g scoop
Informed ProteinProprietary blend
Protein
20g
Sugar
0.9g
Our score
53/100
Price not verifiedChecked 2026-10-13
GNC AMP

AMP Pure Isolate

Whey Isolate
Informed Choice
Protein
25g
Sugar
0g
Our score
52/100
$1.12 / servingChecked 2026-10-13