grapes red can help you meet your vitamins a, c and k need. one cup of grapes provides 100 international units of vitamin a, grapes help your body fight off infection by boosting your immune system.  the flavour of a grapes is very delicious & juicy eating grapes is juicy and deliciously sweet due to its high sugar content, which is characteristic of this variety. grapes fill your mouth with bursts of fragrant, sweet juice. bite down in the raw for a quick and tasty snack, or use them in classic pastries like pie. it's the perfect snack or can be used for salads, cocktails, juice, and smoothies.