oy is a protein made from the soybean plant. It has garnered much attention and almost become somewhat trendy in the food and health industry as being a nutritiously edible bean with multiple uses. It is rich in omega-3 fats, B-vitamins, zinc, iron, polyunsaturated fat, fiber, phytochemicals and antioxidants. Soy is most popular among vegetarians as they use soy protein as a replacement for animal protein. Soy can be found in foods such as edamame, tofu, soy milk, and tempeh.