One single fruit contains the adequate amounts of vitamin C for an adult, it contains twice as much as an orange. It is the most nutritious fruit. Kiwi contains calcium (more than banana!), folic acid, vitamin E, beta carotene, it is full of antioxidants and immune amps. Three kiwis per day reduces the risk of blood clots and its high fiber content helps digestion. A recent study found that it also stimulates brain function.