It is a common myth that if you have diabetes you should not eat grapes because they contain too much sugar. However, eating grapes does not cause a sudden spike in the blood sugar levels, so you can eat grapes even if you are diabetic.
Grapes are rich in vitamin C and K, potassium, polyphenols, and antioxidants that are excellent for diabetics.
A one-cup serving of grapes (about 17 small grapes) contains 16 grams of carbohydrate. Grapes have a glycemic index (GI) of 46, making them a low-GI food. Therefore, they are less likely to cause a sudden spike in your blood sugar level.
Eating whole fruits, especially blueberries, grapes, and apples, significantly reduces the risk for type 2 diabetes, suggests a 2013 study published in the British Medical Journal.
Consuming grapes can lower insulin resistance and help stabilize the blood sugar levels, according to an article published in September 2009 in The Journal of Nutrition.
Resveratrol, a phytochemical found in the skin of red grapes, modulates the blood glucose response by affecting how the body secretes and uses insulin, revealed a June 2010 animal study published in the European Journal of Pharmacology.
Dr. Trupti Shirole