Information Reviews Ask Dr. Dan Product Description Cardiovascular Research Quercetin-C supports the heart, immune health, healthy aging, prostate health, and inflammation response. Recommended Use: Take 1 or 2 capsules twice daily, or as directed by a healthcare professional. Label Information Gluten Free Cardiovascular Research Quercetin-c Facts: 1 capsule contains: Quercetin 100 mg Rutin 250 mg Vitamin C (as ascorbic acid) 100 mg Phosphatidylcholine 250 mcg Other Ingredients: Microcrystalline cellulose, gelatin, magnesium stearatek silicon dioxide. Contains Soy.