10 Best Whey Protein Powders of 2026

Last verified Oct 16, 2026 · By the StrongRanked editors

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Whey protein is a convenient way to reach your daily protein target. We compare protein per serving, ingredient quality, third-party testing, taste reviews and price per gram of protein.

1

Optimum NutritionOptimum Nutrition Gold Standard 100% WheyPhoto pending brand permission

Best overall

Optimum Nutrition Gold Standard 100% Whey

Optimum Nutrition

The best-selling whey for decades: dependable taste, mixability and price.

• 24 g protein/scoop
• Many flavors

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2

MomentousMomentous Essential Grass-Fed Whey ProteinPhoto pending brand permission

Best tested pick

Momentous Essential Grass-Fed Whey Protein

Momentous

Grass-fed whey isolate with NSF Certified for Sport testing.

• 20 g protein
• Isolate

✓ NSF Certified for Sport Check price

3

ThorneThorne Whey Protein IsolatePhoto pending brand permission

Best isolate

Thorne Whey Protein Isolate

Thorne

Clean isolate from a heavily certified brand.

• 21 g protein
• Isolate

✓ NSF Certified for Sport Check price

4

Transparent LabsTransparent Labs 100% Grass-Fed Whey Protein IsolatePhoto pending brand permission

Best no-artificial-sweetener

Transparent Labs 100% Grass-Fed Whey Protein Isolate

Transparent Labs

Grass-fed isolate with fully disclosed ingredients.

• 28 g protein
• No artificial sweeteners

✓ NSF Certified for Sport Check price

5

Best for low lactose

Dymatize ISO100

Dymatize

Hydrolyzed whey isolate; very low fat and carbs.

• 25 g protein
• Hydrolyzed isolate

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6

Klean AthleteKlean Athlete Klean IsolatePhoto pending brand permission

Best unflavored isolate

Klean Athlete Klean Isolate

Klean Athlete

Minimal-ingredient isolate built for tested athletes.

• Isolate
• Unflavored

✓ NSF Certified for Sport Check price

7

GhostGhost WheyPhoto pending brand permission

Best flavors

Ghost Whey

Ghost

Fan-favorite licensed flavors; a blend of whey isolate and concentrate.

• 25 g protein
• Isolate/concentrate blend

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8

Legion AthleticsLegion Whey+Photo pending brand permission

Best grass-fed isolate value

Legion Whey+

Legion Athletics

Grass-fed isolate, no artificial sweeteners; Labdoor-tested per maker.

• 22 g protein
• Isolate

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9

MyproteinMyprotein Impact Whey ProteinPhoto pending brand permission

Best budget

Myprotein Impact Whey Protein

Myprotein

Low cost per gram, frequent sales, huge flavor range.

• Whey concentrate
• Many flavors

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10

IsopureIsopure Zero CarbPhoto pending brand permission

Best zero-carb

Isopure Zero Carb

Isopure

Pure isolate with near-zero carbs and sugar.

• 25 g protein
• 0 g carbs

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These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Talk to your doctor or pharmacist before starting any supplement, especially if you take medication, are pregnant or nursing, or have a medical condition. See our Medical Disclaimer.

Compare: Optimum Nutrition Gold Standard 100% Whey vs Dymatize ISO100 →