May support bone health

Grapes include various elements that are important for bone health, such as potassium, manganese, and vitamins B, C, and K, all of which help prevent osteoporosis, a disorder that causes weak bones. Furthermore, animal and human research show that resveratrol may enhance bone density. In 8-week research, for example, rats fed freeze-dried grape powder showed improved bone absorption and calcium retention than rats not given the powder.

Two-year research in postmenopausal women found that consuming 75 mg of resveratrol twice daily enhanced bone mineral density and delayed bone loss, lowering the incidence of major fractures and hip fractures. Human studies, on the other hand, are still inadequate. Grapes contain vitamins and minerals that are helpful for bone health, although a further study on people is needed.