Histamine Block


May help support digestion of food-derived histamine in the digestive tract. Enhances the presence of diamine oxidase (enzyme) in the digestive tract. Patented material with optimized stability. May help support normal inflammatory responses in the digestive tract

Category: SKU: N/A


Take 1 to 2 capsules no more than 15 minutes before the consumption of histamine-rich foods, or take as directed by your healthcare professional.

Serving Size: 1 Capsule

Amount Per Serving 
Vitamin C … 10mg
(ascorbic acid) 
Diamine Oxidase … 4.2mg
(from porcine kidney protein concentrate)(10,000 HDU) 
Other Ingredients: Microcrystalline cellulose (plant fiber), HPMC (capsule), sucrose, rice starch, shellac, hydroxypropyl cellulose, crospovidone, hydrated magnesium silicate, sodium carboxymethylcellulose, and glycerol.

Does not contain dairy, eggs, fish, shellfish, tree nuts, peanuts, wheat, soy.
Children and pregnant or lactating women should consult their healthcare practitioner prior to use. This product contains an ingredient derived from porcine (pig). Avoid if allergic to pork or any other ingredient. Histamine Block is not effective for symptoms of immune-related food allergies, such as peanuts, shellfish, etc., or for gluten intolerance due to sensitivity or celiac disease. DAO is not absorbed and does not have systemic activity. Histamine Block does not manage or address antibody-related or IgE-related food allergies.

Additional information

Container Sizes

30 capsules, 60 capsules, 90 capsules


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