Usually, though not always, this has a pleasant effect. Your body canât store alcohol, so it breaks it down - your liver's job. The liver firstly changes alcohol into acetaldehyde (this is toxic), then into acetate (harmless), which is finally broken down into carbon dioxide and water.
Each one-cup serving of grapes contains 62 calories, 0.6 grams of protein, 0.3 grams of fat and 15.8 grams of carbohydrate, including 0.8 grams of fiber. (See Reference 1) This is about three percent of the daily 25-gram value for fiber for people who eat a 2,000-calorie diet.
Keep in mind that it's also beneficial to eat whole grapes â not just grape juice. Some research suggests that whole grapes deliver the same amount of antioxidants that are in grape juice and wine but have the added benefit of providing dietary fiber. With. Katherine Zeratsky, R.D., L.D. 1  Functional foods. 2  Healthy heart for life: Avoiding heart disease.