Raisins are a delicious and nutritious product with many beneficial properties. The best raisins are sweet, fleshy with small pieces. It is believed that the nature of raisins from black grapes is more useful than from white grapes, pink grapes occupy an intermediate position. The properties of raisins differ from those of grapes. Ancient doctors argued that eating raisins has a strengthening effect on the nervous system, suppressing anger, and strengthening the heart. White raisins soften and cleanse the intestines, so they have a laxative effect, but each person is different. In combination with other products, raisins are used to treat a number of diseases. Raisins must be included in their diet for people suffering from cardiovascular diseases.