Grapefruit is a tropical citrus fruit known for its sweet yet tart taste. It is rich in nutrients, antioxidants, and fiber. This makes it one of the healthiest citrus fruits you can eat. Plus, research shows that grapefruit may have some powerful health benefits. These include weight loss and a reduced risk of heart disease. 1. It’s low in calories, yet high in nutrients Grapefruit is a great food to include in a balanced diet. That’s because it’s high in nutrients but low in calories . In fact, it’s one of the lowest-calorie fruits . It provides a decent amount of fiber, in addition to more than 15 beneficial vitamins and minerals. Here are some of the major nutrients found in half of a medium-sized grapefruit ( 1 ): Calories: 52 Carbs: 13 grams Protein: 1 gram Fiber: 2 grams Vitamin C: 64% of the recommended dietary intake (RDI) Vitamin A: 28% of the RDI Potassium: 5% of the RDI Thiamine: 4% of the RDI Folate: 4% of the RDI Magnesium: 3% of the RDI Additionally, it is a