A raisin is a dried grape. Raisins are produced in many regions of the world and may be eaten raw or used in cooking, baking, and brewing.

Raisins can be eaten as a nutritious snack, rich in dietary fiber, carbohydrates with a low glycemic index, minerals, vitamins, and other micronutrients. Their fat content is low. The overall nutritional value of raisins means they are recommended as a snack for both weight control and for maintaining good human health because they help the control of glucose, the good functioning of the digestive system and the regulation of blood pressure. Replacing unhealthy snacks by raisins in usual and moderate quantity can improve health biomarkers in patients with controlled type 2 diabetes. Adoption of this dietary habit may reduce diastolic blood pressure and increase the levels of plasma antioxidants in type 2 diabetic patients. Corinthian raisins are a moderate glycemic index fruit. They can be consumed in small amounts even by diabetic patients instead of sweets in a balanced diet. Antioxidants in Greek raisins may reduce the risk for malignancies in the stomach and colon. Thus, in a balanced diet, their antioxidants can help maintain the health of the digestive system.