Raisins are dried grapes/currants. they indeed are rich and concentrated sources of energy, vitamins, electrolytes, and minerals. On weight per weight comparison basis, 100 g of dried grapes hold 249 calories, several times more fiber, vitamins, minerals and poly-phenol antioxidants than the fresh grapes. Raisins, however, contain fewer amounts of vitamin C, folic acid, carotenes, lutein and xanthins than fresh grapes.

Raisins are dense sources of minerals like calcium, iron, manganese, magnesium copper, fluoride, and zinc.

In addition, they are rich in heart-healthy electrolyte, potassium.