What is the best diet if you want to lose weight? We’re just listing some, not ranking them because you may have to try a few to find the one that’s best for you. The diet that helps you lose weight may be different from the one that your best friend swears by. It all depends on your genetics and food preferences, because, let’s be real, you’re going to have an easier time following a diet that lets you have at least some of your favorite foods than you are one that makes you feel like you never get anything tasty!