Do you ever take a kickboxing class on an empty stomach?

If yes, please stop!

Researchers have found that working out on an empty stomach actually causes you to lose muscle.

Plus, without fuel to burn you won’t be able to turn up the intensity, which means you’ll actually end up burning fewer calories.

So what should you eat before your kickboxing class?

Check out this terrific list on Greatist of 50 awesome pre-workout snacks.

4. Star-buffs shake: Need a pre-workout pick-me-up? Greatist’s fitness editor suggests blending 1 cup iced coffee (keep the ice) with 1 scoop chocolate whey protein.

5. Dressed up oats: Load up on carbohydrates for a longer workout with ½ cup cooked steel-cut oats topped with 1 tablespoon dried fruit and 1 tablespoon shaved almonds.

6. Perfect yogurt parfait: Feeling fancy, huh? Top ¼ cup nonfat yogurt with ½ cup whole grain cereal and ½ cup fresh strawberries.

7. Yoberries a-go-go: For the perfect blend of carbs and protein, try 1 cup non-fat vanilla bean Greek yogurt — which often packs more protein and probiotics than regular plain yogurt — with ½ cup fresh blueberries.

You can find 46 other great snack ideas in the article here.

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