No, dieting is optional. We provide a diet that is designed with your liver health in mind. LivLean works well with any type of diet. If you choose not to diet, remember that taking LivLean is just half the battle. The other half, is to stop putting toxins into your body. Remember, garbage in, equals garbage out! This will by far give you the best results. Don’t let other companies lie to you and fool you. There is no magic pill. There are however good supplements that work. Don’t cheat yourself and take the pill and stop. You’ll gain the weight right back if you aren’t modifying your lifestyle! I’m just being honest with you.