Soy is a popular legume of Asian origin. Soy is high in plant protein and people can consume it in a variety of ways. People who follow a vegetarian or vegan diet often use soy to replace meat.

Soy protein is the primary protein found in soy products, including tofu, tempeh, soy milk, soy beans, and other soy-based alternatives to dairy and meat. It can also be found in the form of soy ...