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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
USA-made with Certificate of Analysis available
Transdermal delivery offers steady absorption overnight for consistent results without melatonin or habit-forming ingredients
containing C8 and C10
it is gluten‑free
XYMOGEN HistDAO: DAO Enzyme for Digestive Health – 20,000 HDU per Tablet, 60 Tablets Vitamin B USA-made with Certificate of AnalysisXYMOGEN HistDAO is a DAO enzyme supplement designed to support healthy degradation of food derived histamine. Each tablet delivers 20,000 HDU of diamine oxidase (DAO) to help break down histamine in the digestive tract. The formula replaces two capsules with a single tablet for convenient, targeted digestive support. Clinically tested to aid histamine breakdown in the GI tract. Not absorbed systemically, DAO provides localized digestive support.