Sack of Snacks is a series of organic snacks. Raisins are dried grapes. However, unlike fresh grapes, they are indeed rich and concentrated sources of energy, vitamins, electrolytes and minerals. Compared to the weight, 100 g of dried grapes contain 249 calories, several times more fiber, vitamins, minerals and polyphenolic antioxidants than fresh grapes. Bio sultana raisins are perfect as a stand-alone snack and as an enriching flavor addition to pastries, desserts and salads. Health benefits of consuming raisins. Raisins, like dried apricots, figs and prunes, are a rich source of energy, vitamins, minerals and antioxidants. Additionally, they contain many beneficial polyphenols, antioxidants and dietary fiber. Just like grapes, raisins also contain the phytochemical resveratrol. Resveratrol, a polyphenol antioxidant, has anti-inflammatory, anti-cancer and blood cholesterol lowering effects.