Are collagen peptides keto?

Collagen peptides

Keto-friendly Yes — collagen peptides are keto-friendly.

Unflavored collagen powder is pure protein — 0 g net carbs and about 18 g protein per two scoops — and it dissolves into coffee, soups and smoothies. It isn't a complete protein, so it doesn't replace meat, eggs or whey.

Nutrition per serving

2 scoops · 20 g
Net carbs
0g
Calories
72kcal
Protein
18g
Fat
0g
Total carbs
0 g
Fiber
0 g
One serving vs. a 20 g daily net-carb limit 0%

Collagen peptides has virtually no net carbs, so portion size is about calories and fullness, not carbs.

Nutrition facts for collagen peptides
NutrientPer servingPer 100 g
Calories72 kcal360 kcal
Total carbohydrate0 g0 g
Dietary fiber0 g0 g
Net carbs0 g0 g
Protein18 g90 g
Fat0 g0 g

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How to eat collagen peptides on keto

  • Flavored collagen and "collagen creamers" can contain sugar or maltodextrin — check the label.

Frequently asked questions

Are collagen peptides keto?

Yes — collagen peptides are keto-friendly. Unflavored collagen powder is pure protein — 0 g net carbs and about 18 g protein per two scoops — and it dissolves into coffee, soups and smoothies. It isn't a complete protein, so it doesn't replace meat, eggs or whey.

How many net carbs are in collagen peptides?

2 scoops (20 g) of collagen peptides has about 0 g net carbs (0 g total carbs minus 0 g fiber). Per 100 g, that's 0 g net carbs.

How much collagen peptides can I eat on keto?

Collagen peptides has virtually no net carbs, so portion size is about calories and fullness, not carbs. On a typical 20 g daily limit, one serving uses about 0% of your carbs.

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Source: Typical label for unflavored collagen peptides (2 scoops/20 g: about 70 kcal, 18 g protein, 0 g carbs). Net carbs = total carbohydrate − fiber. Rating: Keto-friendly — Low in net carbs per typical serving (about 5 g or less). Fits easily into a 20–30 g daily limit. How we rate foods. Last reviewed October 18, 2026.

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