Are grapes healthy?

Grapes are a healthy food because they contain 1.36 grams of fiber and only 104.2 calories per 1-cup serving. They also contain calcium, phosphorus, potassium, magnesium, vitamin A and vitamin K.

Grapes have a low glycemic index value, which means they do not raise blood sugar levels as fast as foods with higher glycemic index values. One cup of grapes has less than 1 gram of fat, making this food ideal for people following low-fat diets. Grapes also contain 121.6 grams of water per cup. Eating grapes and other foods that contain a lot of water helps maintain adequate hydration.