Early brands like Clif Bar and PowerBar were marketed as workout fuel for athletes, quickly followed by bars from Atkins and ... in their regular diet. Plus, even lower-protein bars may contain ...

Fad diets come and go, but The Atkins Diet-- a high-protein, low-carbohydrate weight-loss plan --seems never to go away, no matter how many medical professionals denounce it. "Low-carb diets have ...

From Atkins to Paleo, diet trends have largely vilified carbohydrates ... Many teens seek out products, such as protein bars, powders, and shakes, to slim down or bulk up. Take 16-year-old Sarah, who ...