How many diet plans are out there? Hundreds? Thousands? Maybe more? Thing is, there's no one diet for everyone. We're all different, and your body probably doesn't need the same requirements as your partner's or your best friend It's not easy to figure out what's best and who to trust. Instead, try to figure out what your goal is. Do you want to gain tons of muscle and get ripped? Someone like Dana Linn Bailey is probably good to follow. Want a healthier brain, and good all around nutrition that'll help you get to 100? Then Dr. Rhonda Patrick has a very smart approach. If you're morbidly obese and need to lose a lot of weight, you'll need to follow the advice of someone like Dr. Nowzarandan. He is the no nonsense doctor behind "My 600lb Life" and has his own approach to extreme weight loss. Below you can find some of the people who I think bring unique and valid perspectives to dieting.