What is Raisin? What is Raisin good for? All fruits are good for health but some have a better a nutritional value as compared to others. Filled with essential nutrients, Raisin fruit acts as a remedy for various health problems. Some of the Raisin Benefits are: good for diabetics, prevents constipation, prevents anaemia, acidity treatment and cancer prevention and its general health benefits are: boosts immune system, cures fever, eye care, fights against infections and strengthens bones. It can also be used for nourishment of skin and hair. Some skin benefits are anti-aging benefits, reduces wrinkles and skin rejuvenation and hair benefits are protects hair. If this fruit is consumed in excess or if you are intolerant, you might experience some side effects or allergies. Raisin side effects are: allergic reaction and its allergy symptoms are anaphylaxis, asthma, breathing difficulty, coughing, drop in blood pressure, hives, skin rash, stuffy nose, swelling of mouth tongue or lips and wheezing. Keep reading to get all the necessary information about Raisin.