Soy is a legume from the family Fabaceae. In many countries it is one of the most important food crop. Soyabean is the seed obtained from the pod of the plant and is classified as oilseeds. It is rich in protein carbohydrates, saponins, phytiacid and oil but has lower levels of calcium. It has wide range of therapeutic as well as pharmaceutical applications. It has sedative, anti-spasmodic, diaphoretic, anti-pyretic properties, with hormonal balancing effects, can be used to prevent breast cancer, prostate cancer, endometrial cancer and baldness and has great benefit to the liver and circulation. It acts as a component of easy release jelly and also as an agent that provides good hardness and disintegrating property. It has application in sunscreen cream, moisturizing cream, and anti-wrinkle cream. Although it has many advantages and use but it is not without risk such as it can increase the rate of tumor growth in persons already suffering from cancer. Keywords: Soy | Therapeutic use | pharmaceutical use | cosmetic use | health risks., Introduction Soy is believed to be derived from Glycine ussuriensis, a legumes that performs nitrogen fixation symbiotically. It is from Kingdom: Plantae, Phylum: Magnoliophyta, Class Magnoliopsida, Order: Fables, Family: Fabaceae, [...]