A high percentage vegetable protein source, it is one of the healthiest foods and is naturally gluten - free. (theheritagecook.com)
Good vegetable protein sources are tofu, quinoa, lentils and soy. (planetsupplement.com)
As one of the few complete vegetable protein sources, soy proteins are suitable for vegetarians and contain all the essential amino acids in levels sufficient to help support muscle growth and development. (fitgirlsdiary.com)