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G.I. Hist Support - 60 Vegetable Capsules

G.I. Hist Support is a formula designed to assist patients who have trouble processing external sources of histamine rich foods and nutritional elements. This formula is especially helpful for those with genetic weaknesses in A01C (Diamine Oxidase), the main enzyme responsible for the degradation of ingested histamine.*

The active ingredient in G.I. Hist Support is porcine kidney derived diamine oxidase, and research suggests that DAO derived from porcine kidney appears to have identical action to DAO derived from porcine intestine.*

This product is highly recommended for patients with the AOC1 genetic polymorphism (SNP).


Each ingredient is clinically tested to assist with histamine degradation and the oxidative
stress created by histamines.*

Common symptoms of histamine intolerance include:
  • Headaches
  • Skin irritation
  • Dizziness
  • Accelerated heart rate
  • Difficulty regulating body temperature
  • Nervousness
  • Nausea and/or abdominal cramps
  • Flushing or redness of the face/skin
  • Nasal congestion, sneezing, difficulty breathing



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