Vegan Protein Protein is an essential part of our nutrition making up about 17% of the bodys weight and it is the main component of our muscles skin internal organs especially the heart and brain as well as our eyes hair and nails. Our immune system also requires protein to help make antibodies that are required to help fight infections and protein also plays a role in blood sugar regulation fat metabolism and energy function. Protein foods actually break down into 22 naturally occurring essenti