Is Glucono Delta-Lactone Vegetarian?

Safe

Yes. This ingredient is generally considered compatible with a Vegetarian diet.

Glucono Delta-Lactone and the Vegetarian Diet

Glucono Delta-Lactone (GDL), also known by its chemical name gluconolactone, is a naturally occurring food additive derived from glucose. It is commonly used in the food industry as an acidulant to impart a mild sour taste, a leavening agent in baked goods, and as a coagulant in tofu production. GDL slowly hydrolyzes to gluconic acid in water, making it a gentle acidifying agent.

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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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