Raisins benefits are manifold. Raisins are dried grapes which have a wrinkly appearance to them. They are sweet and are much loved by the young and old alike. The health benefits of raisins are listed below: Raisins are an excellent source of fiber. Research has shown that one tablespoon of raisins contains 1 gram of fiber. Another health benefit of raisins is that they contain tartaric acid. The tartaric acid in raisins helps to improve one's digestion. Raisins are high in calories, but not fats, therefore they are a good source of energy. Raisins are also a rich source of iron and are therefore recommended for the treatment of anaemia. Calcium is another mineral that raisins are rich in and eating raisins regularly helps to keep one's teeth strong and healthy. Raisins are also good for the eyes and help to prevent macular degeneration.