Quercetin by Natrol here at Supplementstogo.com.Description: Quercetin may be the strongest of natures anti-inflammatories. Numerous studies have shown it effective in treating a wide range of prostate related problems. A recent published study demonstrates quercitin provides long-term symtomatic relief with few side effects to men that are afflicted with nonbacterial prostatitis.Quercetin also increases absorption of Vitamin C which may also aid immunity & tendon problems. It also has anti-viral properties & is often used to treat respiratory & sinus problems.Natrol's Quercetin supplies a potency of 250 Mg plus Vitamin C and Citrus Bioflavonoids for optimum benefits. Each batch is lab-tested for purity and potency. Guaranteed Purity & PotencyNutrition Facts: Serving Size (caps) 2 Servings Per 25 Vit C (g) 1 Quercetin (mg) 500 *Citrus Bioflvoid 100mg Ingredient Details: *Citrus Bioflavonoid Complex (Extracted from lemon, orange, grapefruit, lime, and tangerine. Other Ingredients:Silica, Magnesium Stearate, Gelatin.Suggested Use: Take 2 capsules daily with meals.Warnings: These statements have not been approved by the FDA. This product is not intended to treat, cure or prevent any disease.