Discontinued - Histamine Blocker - see note below

This product is unfortunately no longer available in a blister pack, however please see our new product, DAO HISTAMINE SUPPPORT!

Dr. Jill Health's Histamine Blocker is a patented enzyme formula featuring diamine oxidase (DAO), the key enzyme responsible for breaking down food-derived histamine in the digestive tract.
Histamine Blocker is a patented enzyme formula containing diamine oxidase (DAO)—the main enzyme responsible for the degradation of ingested histamine. This enzyme has been clinically tested and found to break down food-derived histamine in the digestive tract. DAO is not absorbed and does not have systemic activity.

• Supports Healthy Degradation of Food-Derived Histamine*
• Enhances the Presence of Diamine Oxidase in the Digestive Tract*

Histamine Blocker is a patented enzyme formula containing diamine oxidase (DAO)—the main enzyme responsible for the degradation of ingested histamine. This enzyme has been clinically tested and found to break down food-derived histamine in the digestive tract. DAO is not absorbed and does not have systemic activity. Histamine Blocker does not manage or address antibody-related or IgE-related food allergies.*