Raisins are made from grapes by drying it. Raisins contains minerals and vitamins like calcium, iron, potassium, phosphorus, vitamins C, K, and B-6. Presence of Potassium helps in regulating blood flow from the vessels which indirectly helps to reduce the high blood pressure and hypertension. Growing age can generate problems in eyes also where polyphenolic phytonutrients in raisins is good for eye health and arthritis also. It is a good source of iron also so you can get rid of insomnia. Glucose and fructose helps in weight gain. Fiber helps to fight from the constipation.