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IMPORTANT MESSAGE REGARDING COVID-19: During this time of great uncertainty, we want to assure you that Diem is taking all necessary measures to protect you, our employees, and our community. As a Michigan-based company, we are now governed by state and federal directives designed to protect the health and safety of us all. At Diem, our on-site staff has been limited and those remaining are outfitted with personal protective equipment. We have instituted strict sanitation protocols, and we are closely monitoring individual wellness to protect you and the entire Diem family.

US DOMESTIC CUSTOMERS: To help offset possible Postal delivery delays, we now offer UPS Ground service as an option for shipping during checkout. This service is available for customers within the contiguous United States. Please be aware that this option does require payment of actual shipping charges at the time of purchase. Charges will vary depending on the destination and weight of the package.

Questions? Click here to email or contact customer service Monday-Friday at 888-876-5765.

DAO Supplement with Catalase and Vitamin C

INTRODUCING THE NEXT GENERATION IN DAO SUPPLEMENTATION


DAO Supplement Bottle with CSP Desiccant Sleeve

Change is Good!

  • Ascorbyl palmitate provides improved tolerance for food-sensitive individuals.
  • Catalase optimizes DAO activity.
  • Novel delivery system and improved active stability reduces need for multiple excipients.
  • Innovative desiccant bottle protects enzyme activity and product integrity better than traditional desiccant capsules or packets.









2nd Generation - Catalase optimizes DAO activity

DAO 2nd Generation Supplement Facts

1st Generation

Original DAO Supplement Facts