Taking Quercetin with Bromelain is a great way to get maximum benefits as they enhance each other's anti-oxidant and anti-inflammatory actions. In addition, bromelain helps to increase the absorption of quercetin into the bloodstream. Quercetin may help to neutralize the effect of free radicals while bromelain works to limit the action of metabolites and neutrophils on inflammation. All Pure Naturals products are manufactured in accordance with Good Manufacturing Practices (GMP), among the highest standards in the world All our products are proudly made in USA with Guaranteed Purity & Potency. We offer best quality products for the best value. All our products are Third Party Tested. Pure Naturals Quercetin Bromelain supplement is a potent combination of Quercetin (as Quercetin Dihydrate)- 800mg & Bromelain (2400 GDU/g)- 165 mg. Anti-oxidant properties of Quercetin supports healthy ageing, cardiovascular health, immune health etc.