Helps reduce dietary uric acid levels. David Perlmutter, M.D: Formulated by one of America's leading experts in the human microbiome, a Board-Certified Neurologist, No. 1 New York Times best-selling author, and Fellow of the American College of Nutrition. Keeping Uric Acid levels (a waste product formed in the body when digesting food) in check can help balance a healthy metabolism. Dr. Perlmutter designed Quercetin Drop (Uric) Acid to work with your diet and exercise program to help you reduce dietary uric acid levels. Quercetin: A clinically studied powerful plant flavonoid. Antioxidants: Tart & Acerola Cherries, Rose Hips, plus powerful Luteolin from Artichokes. Probiotics: Support immune and digestive health. No artificial colors or preservatives. Package size is determined by labeling information, not the number of servings in this container. The serving size and contents are clearly marked.