Soymilk- a Substitute for MilkFor so many years, milk has been always the main source of calcium and protein which are necessary for a healthy body. However, for those people who are lactose intolerant or want to reduce cholesterol intake, milk seems not to be a wise choice. While soymilk,which is high in protein, low in fat, sodium and cholesterol-free, wins more and more popularity. Wanna DIY soymilk? Prepare a soymilk machine in half a shake!