Is Keratin Vegan?
AvoidNo. Animal product not typically used in food (more typically seen in medications, supplements, cosmetics and/or cleaning supplies).
Keratin and the Vegan Diet
Keratin is a fibrous structural protein that is a key component in the outer layer of human and animal skin, as well as hair, nails, and horns. It is renowned for its durability and protective qualities. While keratin is predominantly used in cosmetic and hair products to improve hair strength and shine, it can also be found in some supplements and medications. However, it is not typically used as an ingredient in food products.
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How Spoonful reviews ingredients
- Evidence-based. Diet compatibility ratings are compiled from peer-reviewed nutrition guidance, dietary association recommendations, and ingredient composition data.
- Continuously updated. Our ingredient database is refreshed as new sources and product data become available.
- Transparent uncertainty. When an ingredient's safety depends on serving size, preparation, or sub-ingredients, we mark it “caution” rather than forcing a binary answer.
- Not medical advice. Ratings are general guidance. Always consult a registered dietitian for personalized recommendations.
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