Grapes are the fruit of grapevines. Vitis vinifera and Vitis labrusca are two common grapevine species. Vitis labrusca is commonly known as Concord grape.

Rutin is a plant pigment that is found in certain fruits and vegetables. Buckwheat, Japanese pagoda tree, and Eucalyptus are sources of rutin.

The whole fruit, skin, leaves, and seed of grape are used as a supplement. Grape contains flavonoids, which can have antioxidant effects. They might help prevent heart disease and have other beneficial effects. Red grape varieties provide more antioxidants than white or blush grape varieties.

Rutin is also found in lime tree flowers, elder flowers, hawthorn, rue, St. John's Wort, Ginkgo, apples, and other fruits and vegetables. Rutin might have antioxidant and anti-inflammatory effects. It might also offer some protection against cancer and other diseases.

People use grape for poor circulation that can cause the legs to swell. It is also used for eye stress, heart disease, high cholesterol, high blood pressure, obesity, and many other conditions.

Rutin is commonly used for autism, aging skin, airway infections caused by exercise, and many other purposes.