Is Gluconolactone Vegetarian?

Caution

Sometimes. This ingredient could be derived from animal sources but is not usually seen in food (more typically seen in medications, supplements, cosmetics and/or cleaning supplies).

Gluconolactone and the Vegetarian Diet

Gluconolactone, also known as glucono delta-lactone (GDL), is a naturally occurring compound derived from glucose. It functions as an acidulant, sequestrant, or leavening agent in food products and is also widely used in cosmetics and pharmaceuticals. It is produced through the fermentation of glucose and can be sourced from plants or synthesized industrially.

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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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