ZonePerfect all-natural nutrition bars are the easiest and quickest way to get into the "zone" ,i.e., develop and maintain a health and fitness regimen. Unlike sports "energy" bars or other so-called weight loss or meal replacement bars, ZonePerfect bars are designed for people just like you. When used with the ZonePerfect nutrition program, they can genuinely help you lose weight, increase energy and vitality, and curb your hunger for three hours. The bars are based on a special recipe of carbohydrates, protein, and dietary fat, and are developed to provide the balance you need to keep in top physical and mental shape. ZonePerfect nutrition bars are an ideal meal replacement or snack. Helps you lose weight, increase energy, and curb your hunger. Blend of carbohydrates, protein, and dietary fat