RetzlerRx® Hist Arrest – Diamine Oxidase (DAO) for Histamine Balance
RetzlerRx® Hist Arrest – Diamine Oxidase (DAO) for Histamine Balance
RetzlerRx® Hist Arrest – Diamine Oxidase (DAO) for Histamine Balance

RetzlerRx® Hist Arrest – Diamine Oxidase (DAO) for Histamine Balance

Regular price
$ 54.99
Sale price
$ 49.50
Quantity must be 1 or more

RetzlerRx® Hist Arrest is a high-potency histamine support formula delivering 20,000 HDU of Diamine Oxidase (DAO) per tablet, the key enzyme responsible for breaking down dietary histamine.

Designed for individuals sensitive to histamine-rich foods or environmental triggers, this physician-formulated supplement helps support balanced histamine levels, digestive comfort, and immune health. By replenishing DAO activity, Hist Arrest promotes a more comfortable response to histamine while reducing occasional symptoms such as bloating, headaches, or skin irritation.


Key Features & Benefits

  • 20,000 HDU DAO Enzyme – High-potency histamine breakdown support per tablet.

  • Supports Histamine Balance – Helps maintain normal histamine levels in the gut.

  • Digestive Comfort – Promotes relief from occasional bloating and food-related reactions.

  • Immune Health – Supports balanced immune system response.

  • Targeted Support – Ideal for those sensitive to histamine-rich foods or triggers.

  • Clean Formula – Non-GMO, gluten-free, premium quality ingredients.

  • Doctor Formulated – Designed for functional and longevity medicine.


Suggested Use

Take one tablet before meals, or as directed by your healthcare provider.

RetzlerRx® Hist Arrest with 20,000 HDU DAO enzyme is your doctor-formulated solution for natural histamine balance, digestive wellness, and immune support.

For a complete description of ingredients, directions and research, please click here.