Barbara J. Rolls

is Professor of Nutritional Sciences and the Helen A. Guthrie Chair in Nutrition at The Pennsylvania State University.   read more...

 Jack LaLanne

is an American fitness, exercise, and nutritional expert, celebrity, lecturer, and motivational speaker who is widely referred to as "The Godfather of Fitness".   read more...

 Rocco DiSpirito

award-winning chef, transforms America's favorite comfort foods into deliciously healthy dishes-all with zero bad carbs, zero bad fats, zero sugar, and maximum flavor in his new delectable cookbook Now Eat This.   read more...