Higher Nature Quercetin & Bromelain with vitamin C, for strong immunity! Quercetin is a flavonoid found widely in the plant kingdom. Flavonoids are known to work synergistically with Vitamin C, especially to support immunity. Quercetin has powerful antioxidant properties & helps protect against harmful free radicals, including protecting lipids against oxidation (rancidity). Bromelain is derived from pineapple & increases the absorption of Quercetin. Vitamin C, also a powerful antioxidant, acts against age-accelerating free radicals & protects the eye from oxidative & photo-oxidative stress. It supports the immune system & helps with iron absorption from food. It is important for healthy skin, bones, teeth, gums & cartilage, & contributes to collagen generation. Vitamin C supports a healthy heart & arteries & is necessary for keeping blood vessels healthy. It helps the nervous system work, & is needed for normal mental function & for transforming food into energy