Lean Gut Diet by Samuel Larson. Look, you could keep falling for all of those intense exercise programs out there, which will kill your joints. You may even want to starve yourself by eating those insanely tiny portions recommended by the majority of the commercial diet programs. Whose only goal is to make you substitute real food for their “shakes” which are full of sugar, preservatives and other harmful chemicals? These diets rarely provide any tangible results and wreak total havoc on your body.