Now Supplements, Quercetin With Bromelain, Balanced Immune System*, 120 Veg Capsules E-Retailer Product Description Quercetin Is A Naturally Occurring Free Radical Scavenger That Supports Healthy Seasonal Immune System Function.* Laboratory Studies Have Demonstrated That Quercetin Can Also Help To Promote Normal Respiratory Function.* Bromelain Has A Long History Of Use By Herbalists And Is Known To Help Support A Balanced Immune System Response To Environmental Challenges.* This Complementary Combination May Thus Promote Year-Round Respiratory Health And Support Overall Seasonal Comfort.* Take 2 Capsules 20 Minutes Before Meals, Twice Daily. Persons With Sensitive Stomachs May Prefer To Take Capsules With Food. ...