The best snacks are fresh fruits and vegetables, nuts, and lean dairy, but in a pinch, a bar is a smarter choice than a bag of chips. Just keep calories in mind. An apple has 100, so you'll want to look for something in that range – not in the high-calorie range of meal-replacement bars.

Winner: Health Warrior Chia Bar Chocolate Peanut Butter has only 100 calories and is made from chia, a seed rich in omega-3s that expands once digested to help keep you full. The taste? Like a sesame carob bar.