Common causes of histamine intolerance include: Impaired DAO (diamine oxidase) activity , the enzyme responsible for breaking down histamine in the gut Gut inflammation or leaky gut , which increases histamine absorption Dysbiosis , particularly bacteria that produce histamine Nutrient deficiencies , especially vitamin B6, zinc, and copper imbalance Chronic stress and cortisol dysregulation Estrogen dominance , which slows histamine clearance Environmental triggers , including mold, chemicals, and allergens Many patients labeled with histamine intolerance are actually experiencing histamine overproduction combined with impaired clearance , which requires a broader clinical approach
Our phentermine versus GLP-1 comparison explains the different mechanisms and when combination therapy might be appropriate
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The GLP-1 hormone helps regulate appetite, stimulate insulin release, and stabilize blood sugar, making GLP-1 function in metabolism essential for energy balance and metabolic health