Dr dukan says this initial stage of the diet is so effective because it restricts the body to protein. Not only can high protein diets build muscle and optimize body composition, they can also curb hunger, enhance satiety, and promote weight loss. Is actually a type of in the shallow waters around okinawa island, situated in the south of japan, the algae form bunches of green spheres. This extra protein can come from beans, meat, nuts, grains, eggs, seafood, cheese or vegetarian sources like soy. If you think a high protein diet is only useful for bodybuilders or marathoners, it might be time to rethink.