Custard apple/sitaphal/cherimoya is a sweet treat that no one can easily resist. This fruit is a powerhouse of many potent vitamins and minerals, making it a great addition to your diet. Here are the 5 powerful health benefits of custard apples. The skin and the seeds of sitaphal contain significant levels of toxic compounds that can affect the nervous system. Hence, the fruit's outer skin, as well as the seeds, must be removed before consuming its tasty pulp.