The combination of quercetin, bromelain, stinging nettle, and vitamin C work together to provide a potent antioxidant and immune support supplement. The product is also non-GMO, nut, dairy ...

"While both fruits offer immune and heart-boosting nutrients, such as vitamin C in oranges and quercetin in apples, ...

Vitamin C: Also called ascorbic acid ... Apples are a good source of several antioxidants, including quercetin, catechin, and chlorogenic acid. These plant compounds are responsible for many ...

Mostafavi-Pour et al. investigated whether the antioxidants vitamin E and quercetin could protect against ciclosporin-induced liver damage in rats. Male Sprague–Dawley rats were given ...