10 Smart Snack to Keep Your Metabolism Burning All Day

9. Whey Protein

Whey Protein is a perfect protein snack for promoting metabolism. It is easy to be digested and helps to burn an extra 150 to 200 calories a day. For fitness enthusiasts, it is a very good protein supplement. Within half an hour after a workout, it can increase the growth of muscle tissue, and obtain better fitness results.