1. Soybeans have the highest quality protein of any plant and are high-yield, which means more people can be fed well. Eating soy means the world will be getting a protein food source that is low in saturated fat and delivers some omega-3 fats, along with super high-quality protein. Plus, soy protein comes with fiber and lots of phytonutrients, those wonderful plant compounds that help fight disease. Even better, soybeans are a high-yield plant that delivers lots of food per acre of land.