Based on your weight loss goal, you can receive a customized Fiber35 diet program through their website. The plan is divided into three phases.

What quickly becomes apparent is the hard sell of their related fiber supplements. In Phase 1, dieters must eat two bars and two shakes a day. In Phase 2, they must consume one shake and one bar per day.

There are FitSmart bars, shakes, fiber formulas, support formulas and cleansing formulas. Check out just about any health food store and you'll find the products conveniently stationed next to a copy of the book. Watson maintains that the products are all 100 percent natural and have no added sugars or preservatives.

Although it's hard to argue with a diet that's based on the benefits of fiber, a proven weight loss resource, it's often hard to stomach the push of the products. If you can get passed that, the Fiber35 might just be your secret to lasting weight loss.