1. Grapefruit
Researchers have proven that the grapefruit delays the aging process and prolongs the life span. This fruit contains vitamin C, pantothenic acid, copper and vitamin A. Vitamin C in grapefruit can improve the state of the immune system and prevent the risk of undesirable diseases that lead to premature aging.
Many studies have also shown that vitamin C protects the body from free radicals and promotes healthy cell life. Your cholesterol level can be lowered by the soluble fibre in grapefruit.
In addition, the carotenoid phytonutrient contained in the grapefruit protects the body against cancer. According to health experts, regular consumption of foods rich in carotenoids helps reduce the risk of prostate cancer in men.