Custard apple is a storehouse of Vitamin C, which is an anti-oxidant and helps in neutralizing free radicals. Vitamin A present in the fruit is good for hair, eyes and healthy skin. Custard apple contains magnesium, which plays vital role in relaxing muscles and protecting heart against diseases. Potassium and Vitamin B6 are also present in custard apple. It is a rich source of dietary fiber, which helps indigestion. It's good for health.