Nutritional Value of Grapefruit

Serving

• This guide defines one serving of grapefruit as half of a raw pink or red grapefruit, based on USDA information. This assumes a grapefruit that is 3 to 3.5 inches in diameter.
  
  

Calories

• One serving of grapefruit has only 52 calories, so it will not drastically change your daily calorie count.
  
  

Dietary Fiber

• Grapefruit can be a good source of dietary fiber. One half of a grapefruit has 8 percent of the daily recommended amount of dietary fiber, with 2 grams.
  
  

Vitamin A

• Grapefruit is considered an excellent source of vitamin A. One serving provides 28 percent of the daily recommended amount of vitamin A.
  
  

Vitamin C

• Grapefruit is an even better source of vitamin C. One half of a grapefruit has 64 percent of the recommended daily allowance of vitamin C, with 38 mg.