Red apples are tasty and juicy fruit, and the ingredients in apples are responsible for the health benefits they provide. Apples contain minerals, vitamins, organic compounds, and nutrients. Vitamin K, vitamin C, riboflavin, and vitamin B6 are essential nutrients. Apples help with brain function. Animal research determines that the juice extracted from apples increases the production of acetylcholine, an essential neurotransmitter in the brain, which stimulates memory.