is soya protein vegan
1 Soy protein is made from soy beans, one of the best non-meat protein sources around. 2  Soy beans contain a lot of protein per serving, and there is almost no fat or cholesterol in soy protein. 3  This makes it one of the heart-smart proteins to consider.4  Suppress your appetite.oy Protein. 1  Soy protein is made from soy beans, one of the best non-meat protein sources around. 2  Suppress your appetite. 3  Provide antioxidants to increase protection from free radicals and oxidative stress. 4  Reduce your risk of diabetes, cancer, and heart disease.