Is Rennet Vegan?
CautionSometimes. Rennet, sometimes shown on labels as rennin, is an enzyme used to thicken milk in the cheesemaking process. Rennet can be derived from animal and non-animal sources. Animal rennet is derived from the stomach lining of baby mammals, typical unweaned calves.
Rennet and the Vegan Diet
Rennet is a complex set of enzymes that plays a crucial role in the cheesemaking process by coagulating milk, leading to curd formation. Traditionally, rennet is obtained from the fourth stomach of unweaned calves, but it can also be sourced from microbial and plant origins, such as fungi and thistle plants, making it suitable for vegetarians and vegans. This distinction is important for those following specific dietary restrictions.
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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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