Pure Encapsulations Hist Reset provides multi-faceted support for nasal and respiratory health that promotes healthy mast cell stabilization and supports healthy histamine metabolism. Made with vegan ingredients including flavonoids quercetin, luteolin, and rutin for antioxidant and immune support. Great for individuals that experience symptoms of histamine intolerance, such as general fatigue or discomfort, occasional GI upset, skin sensitivity or flushing. Gluten Free, GMO Free, Soy Free, Dairy Free, Vegetarian, Vegan Supplemental Facts Serving size: 2 capsules Amount Per Serving ... %DV Vitamin C (as ascorbic acid) ... 250 mg ... 278% Riboflavin ... 5 mg ... 385% Niacin (as niacinamide) ... 20 mg ... 125% Molybdenum (as molybdenum glycinate) ... 100 mcg ... 222% N-Acetyl-L-Cysteine ... 100 mg ... * Quercetin ... 300 mg ... * Bromelain ... 200 mg ... *(from pineapple stem) (2,400 GDU/gram) Luteolin ... 100 mg ... * Rutin ... 100 mg ... * *Daily value (DV) not established Other Ingredients: Vegetarian capsule (cellulose, water) Suggested Use: As a dietary supplement, take 2 capsules daily, between meals, or as directed by a health professional. * These statements have not been evaluated by the U.S. Food and Drug Administration. This product is not intended to treat, mitigate, diagnose or cure any disease.