1. Best bar: Luna Minis. At just 80 calories and 2.5 fat grams (or less), plus 4 grams of protein, these tasty three-bite bars are great to eat before heading to the gym or after a walk. ($11.99 to 14.99 for an 18-count box, available at Target stores)

2. Best beverage: O.N.E. Coconut Water. This slightly coconut-flavored drink only has 60 calories per 11 ounces and replenishes electrolytes without artificial sweeteners. Great during a long bike ride. ($5.59 to $5.79 for 1 liter, available on their website or at Whole Foods Markets)

Related Links: