The key ingredients of our Lipo Injections are Methionine, Inositol, and Choline. The difference between the 3 injections is one contains vitamin b, one contains carnitine, and the super lipo lean contains a mix of b vitamins, b12, and carnitine. They are all major factors that make your metabolism faster. This results in your ability to gain better control over your weight and discover a slimmer you.