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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.

What matters to you

Third-party tested14Under 2 g sugar39No sweeteners6Dairy-free0Gluten-free26

Type

Whey isolate39Whey blend26Clear whey12Casein and milk10Plant-based23Egg, beef, collagen1Gainers and meal shakes2

39 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
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
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
NutraBio

100% Whey Protein Isolate

Whey Isolate · 30.41 g scoop
No third-party testing found
Protein
25g
Sugar
0g
Our score
75/100
$2.50 / servingChecked 2026-10-13
Kaizen Naturals

Kaizen Naturals Whey Isolate

Whey Isolate · 30 g scoop
No third-party testing found
Protein
25g
Sugar
0g
Our score
75/100
Price not verifiedChecked 2026-10-14
Syntrax

Nectar Medical

Whey Isolate · 11 g scoop
No third-party testing foundNo sweeteners
Protein
10g
Sugar
0g
Our score
75/100
$0.82 / servingChecked 2026-10-14
Kaha

New Zealand Whey Isolate

Whey Isolate · 35 g scoop
No third-party testing found
Protein
31g
Sugar
0g
Our score
75/100
$5.00 / servingChecked 2026-10-13
True Protein

WPI 90

Whey Isolate · 30 g scoop
No third-party testing found
Protein
24g
Sugar
0.4g
Our score
75/100
Price not verifiedChecked 2026-10-13
Optimum Nutrition

Gold Standard 100% Isolate

Whey Isolate · 31 g scoop
No third-party testing found
Protein
25g
Sugar
0g
Our score
71/100
$2.35 / servingChecked 2026-10-13
APS Nutrition

Isomorph 28 Pure Whey Isolate

Whey Isolate · 34 g scoop
No third-party testing found
Protein
28g
Sugar
1.5g
Our score
71/100
$0.76 / servingChecked 2026-10-13
Syntrax

Nectar Lattes

Whey Isolate · 28 g scoop
No third-party testing found
Protein
23g
Sugar
0g
Our score
71/100
$2.11 / servingChecked 2026-10-14
Swolverine

Whey Protein Isolate

Whey Isolate · 31 g scoop
No third-party testing found
Protein
25g
Sugar
0g
Our score
71/100
$2.52 / servingChecked 2026-10-14
NZProtein

NZ Whey Isolate

Whey Isolate · 31.25 g scoop
No third-party testing found
Protein
28.2g
Sugar
0.1g
Our score
65/100
Price not verifiedChecked 2026-10-14
Bulk

Pure Whey Isolate

Whey Isolate · 30 g scoop
No third-party testing found
Protein
24g
Sugar
0.4g
Our score
64/100
Price not verifiedChecked 2026-10-13
Bulk Nutrients

Whey Protein Isolate (WPI)

Whey Isolate · 30 g scoop
No third-party testing found
Protein
25.5g
Sugar
0.4g
Our score
64/100
Price not verifiedChecked 2026-10-13
Dymatize

ISO100 Hydrolyzed

Whey Isolate · 32 g scoop
No third-party testing found
Protein
25g
Sugar
1g
Our score
63/100
Price not verifiedChecked 2026-10-13
Nutrex Research

IsoFit

Whey Isolate · 33 g scoop
No third-party testing found
Protein
25g
Sugar
1g
Our score
61/100
$2.17 / servingChecked 2026-10-14
BodyTech

Whey Protein Isolate

Whey Isolate · 31.62 g scoop
No third-party testing found
Protein
25g
Sugar
1g
Our score
61/100
$1.05 / servingChecked 2026-10-14
Beverly International

Muscle Provider

Hydrolyzed Whey · 29.75 g scoop
No third-party testing foundNo sweeteners
Protein
21g
Sugar
1g
Our score
57/100
$2.08 / servingChecked 2026-10-13
Scitec Nutrition

100% Whey Isolate

Whey Isolate · 25 g scoop
No third-party testing foundAdded amino acids
Protein
21g
Sugar
0.6g
Our score
54/100
Price not verifiedChecked 2026-10-14
MuscleSport

Lean Whey Iso-Hydro

Whey Isolate · 35 g scoop
No third-party testing foundProprietary blend
Protein
25g
Sugar
1g
Our score
53/100
$2.54 / servingChecked 2026-10-13
Optimum Nutrition

Platinum Hydrowhey

Hydrolyzed Whey · 41 g scoop
No third-party testing foundAdded amino acids
Protein
30g
Sugar
1g
Our score
53/100
$3.72 / servingChecked 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