10 Best Keto Protein Powders of 2026

Last verified Oct 16, 2026 · By the StrongRanked editors

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For a low-carb or keto diet, the key numbers are net carbs and sugar per serving. This list ranks low-carb protein powders; it is not dietary advice.

1

IsopureIsopure Zero CarbPhoto pending brand permission

Best overall for keto

Isopure Zero Carb

Isopure

Whey isolate with near-zero carbs per scoop.

• 25 g protein
• 0 g net carbs

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2

Best mainstream isolate

Optimum Nutrition Gold Standard 100% Isolate

Optimum Nutrition

Ultra-filtered isolate with about 1 g carbs per serving.

• 25 g protein
• ~1 g carbs

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3

Best tasting low-carb

Dymatize ISO100

Dymatize

Hydrolyzed isolate with very low carbs.

• 25 g protein
• Hydrolyzed isolate

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4

ThorneThorne Whey Protein IsolatePhoto pending brand permission

Best tested low-carb

Thorne Whey Protein Isolate

Thorne

Certified isolate, 21 g protein per scoop.

• 21 g protein
• Isolate

✓ NSF Certified for Sport Check price

5

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

Best grass-fed

Transparent Labs 100% Grass-Fed Whey Protein Isolate

Transparent Labs

Grass-fed isolate with no artificial sweeteners.

• 28 g protein
• Isolate

✓ NSF Certified for Sport Check price

6

Equip FoodsEquip Foods Prime ProteinPhoto pending brand permission

Best carnivore-friendly

Equip Foods Prime Protein

Equip Foods

Beef-based protein for people avoiding dairy.

• 21 g protein
• 1 g net carbs

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7

Naked NutritionNaked Whey UnflavoredPhoto pending brand permission

Best unflavored

Naked Whey Unflavored

Naked Nutrition

Single-ingredient whey; you control what goes in.

• 25 g protein
• 3 g carbs

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8

Quest NutritionQuest Protein PowderPhoto pending brand permission

Best for baking

Quest Protein Powder

Quest Nutrition

Whey/casein blend widely used in low-carb recipes.

• 24 g protein
• 3 g net carbs

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9

Ancient NutritionAncient Nutrition Bone Broth ProteinPhoto pending brand permission

Best dairy-free alternative

Ancient Nutrition Bone Broth Protein

Ancient Nutrition

Dairy-free; note bone broth protein is not a complete protein like whey.

• 20 g protein
• 2 g carbs

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10

Perfect KetoPerfect Keto Whey ProteinPhoto pending brand permission

Best keto-branded

Perfect Keto Whey Protein

Perfect Keto

Adds MCT oil, but only 15 g protein per scoop, so it ranks last.

• 15 g protein
• 2 g net carbs

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