Grapefruit - the benefits, harm and rules of choice Daily consumption of half a grapefruit provides an adult with half the daily intake of vitamin C and will benefit the body. The composition and caloric content of grapefruit The composition of the grapefruit from the daily rate: vitamin C - 64%; calcium - 5%; potassium - 7.4%; magnesium - 3%; vitamin A - 28%; Vitamin B9 - 4% .1 Nutritional composition of grapefruit: Vitamin C.2 Antioxidant. Participates in the metabolism and strengthens the immune system. Potassium. It maintains acid-base balance, lowers blood pressure and dilates arteries.3 Vitamin A. Useful for vision, skin and reproduction. Vitamin B1. Strengthens the nervous system. Calorie grapefruit - 74 kcal per 100 grams.
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