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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.

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
BioSteel

Whey Protein Isolate

Whey Isolate · 34 g scoop
NSF Certified for Sport
Protein
28g
Sugar
—
Our score
89/100
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
Thorne

Whey Protein Isolate

Whey Isolate · 30.2 g scoop
NSF Certified for SportProprietary blend
Protein
21g
Sugar
2g
Our score
82/100
$2.17 / servingChecked 2026-10-13
Bare Performance Nutrition

Grass-Fed Whey Protein Isolate

Whey Isolate · 31.6 g scoop
NSF Certified for Sport
Protein
25g
Sugar
—
Our score
81/100
$2.60 / servingChecked 2026-10-13
Core Nutritionals

Core ISO

Whey Isolate · 28.4 g scoop
No third-party testing found
Protein
24g
Sugar
1g
Our score
75/100
$1.87 / servingChecked 2026-10-14
Opportuniteas

Grass Fed Whey Protein Isolate

Whey Isolate · 30 g scoop
No third-party testing foundNo sweeteners
Protein
28g
Sugar
0g
Our score
75/100
$2.53 / servingChecked 2026-10-14
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
Syntrax

Nectar Naturals

Clear Whey · 28 g scoop
No third-party testing found
Protein
23g
Sugar
0g
Our score
75/100
$2.17 / 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
Antler Farms

New Zealand Whey Protein Isolate

Whey Isolate · 30 g scoop
No third-party testing found
Protein
26g
Sugar
0g
Our score
75/100
$2.57 / servingChecked 2026-10-14
Nothing Naughty

NZ Whey Protein Isolate

Whey Isolate · 25 g scoop
No third-party testing found
Protein
20.4g
Sugar
0.3g
Our score
75/100
Price not verifiedChecked 2026-10-14
AboutTime

Whey Protein Isolate

Whey Isolate · 28.4 g scoop
No third-party testing found
Protein
25g
Sugar
1g
Our score
75/100
$2.81 / servingChecked 2026-10-14
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
G6 Sports

Prolific Isolate

Whey Isolate · 28.4 g scoop
No third-party testing found
Protein
25g
Sugar
0g
Our score
74/100
$2.50 / servingChecked 2026-10-14
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
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
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
Nutricost

Clear Whey Protein Isolate

Clear Whey · 26 g scoop
No third-party testing found
Protein
20g
Sugar
1g
Our score
67/100
$2.29 / servingChecked 2026-10-14
Orgain

Clear Whey Protein Powder

Clear Whey · 29 g scoop
No third-party testing found
Protein
22g
Sugar
0g
Our score
67/100
$2.22 / servingChecked 2026-10-14
Bluebonnet Nutrition

Whey Protein Isolate Powder

Whey Isolate · 33 g scoop
No third-party testing found
Protein
26g
Sugar
1.5g
Our score
67/100
$2.78 / servingChecked 2026-10-14
Growth Supplements

(TOP) Whey Protein Isolado

Whey Isolate · 30 g scoop
No third-party testing found
Protein
27g
Sugar
0g
Our score
65/100
Price not verifiedChecked 2026-10-14
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
Portions Master

Protein Whey Isolate

Whey Isolate · 28.4 g scoop
No third-party testing found
Protein
23g
Sugar
—
Our score
64/100
$1.56 / servingChecked 2026-10-14
PureBulk

Whey Protein Isolate 90% (USA)

Whey Isolate · 30 g scoop
No third-party testing foundNo sweeteners
Protein
28g
Sugar
—
Our score
64/100
Price not verifiedChecked 2026-10-13
Ghost

Clear Whey

Clear Whey · 32 g scoop
No third-party testing found
Protein
25g
Sugar
0g
Our score
63/100
$1.80 / servingChecked 2026-10-13
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
Sports Research

Whey Protein Isolate

Whey Isolate · 41 g scoop
Informed SportAdded amino acids
Protein
25g
Sugar
—
Our score
59/100
$2.00 / servingChecked 2026-10-14
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
Hi-Tech Pharmaceuticals

Precision Protein

Whey Isolate · 32 g scoop
No third-party testing found
Protein
25g
Sugar
1g
Our score
57/100
$1.79 / servingChecked 2026-10-14
Bariatric Advantage

High Protein Meal Replacement

Meal Replacement · 45 g scoop
No third-party testing found
Protein
27g
Sugar
1g
Our score
55/100
$2.64 / servingChecked 2026-10-14
BPI Sports

ISO HD

Whey Isolate · 36 g scoop
No third-party testing found
Protein
25g
Sugar
0g
Our score
55/100
$0.63 / servingChecked 2026-10-14
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
Horleys

ICE WPI

Whey Isolate · 30 g scoop
No third-party testing foundAdded amino acids
Protein
26.4g
Sugar
0.1g
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
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
BioTechUSA

Iso Whey Zero

Whey Isolate · 25 g scoop
No third-party testing foundAdded amino acids
Protein
21g
Sugar
—
Our score
43/100
Price not verifiedChecked 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
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