- 60,000 HDU of Histamine-Breaking Enzyme – Not all DAO enzyme supplements are created equal. Our high-potency Diamine Oxidase delivers 60,000 HDU of enzyme activity per capsule to support the breakdown of dietary histamine and post-meal histamine related bloating.*
- Plant-Based DAO Enzymes, Backed by Research – Research by Costa-Catala et al. (2025) found that pea sprout-derived Diamine Oxidase demonstrated greater stability under simulated intestinal conditions than animal-derived DAO. Our formula harnesses similar plant-based sources to support dietary histamine breakdown.*
- Supports Histamine Digestion & Digestive Comfort – DAO enzymes help metabolize histamine naturally present in foods like aged cheeses, fermented foods, and cured meats, supporting digestive comfort.*
- Vegan & Allergy Free - Free Of Soy, Milk, Egg, Shellfish, Corn, Wheat & Peanuts. Contains NO Gluten or Preservatives. Manufactured Under The Highest Quality GMP Regulations and USA Standards.
- 1-For-1 Donation Match Program! Through our 1-for-1 partnership with the nonprofit Vitamin Angels, every purchase provides a child at risk of malnutrition with vitamins for a full year. To date we have helped over 3 million children through this partnership, so thank you for supporting this mission.