Protein is also essential for muscle development and body movement protein has the responsibility to protect the human body from infections and also to act as an enzyme in several biochemical reactions however, if you are a vegetarian, you will need to discover some high protein diet for vegetarians for weight loss protein functions in the. Protein diet for weight loss vegetarian. There is another study with co-authors from the harvard school of public health indicating that vegetarian diets seem to have significant benefits on weight loss compared to non-vegetarian diets and these researchers from the loma linda university in california found in a group of more than...