Are vegan burgers made with the same ingredients as dog food? The Doctors break down the ingredients and they do find some commonalities like pea protein, lentils and mung beans, and sunflower oil. They share these ingredients are not bad and are in a lot of foods. But, are vegan burgers healthy? Cardiologist Dr. Joel Kahn shares that if it’s made in a plant, skip it. If it’s made on a plant, eat it!