bunch of black grapes, lying on a gray background, behind it are beautiful blurred greens

acids amino anthocyanin anticarcinogenic antitumor assimilation avitominosis berry body bunch calcium cardiovascular cobalt copper digestive energy fibers fructose glucose grapes healthy hepatoprotector iron juice magnesium manganese medicine memory minerals nickel nutrients phosphorus plant polyphenol potassium recovery rehabilitation rejuvenation resveratrol silicon sodium system tasty thirst tone vision vitamins water wine zinc