There are few things more frustrating than grabbing a quick snack and feeling hungry again just moments later, especially if that snack also left you feeling fatigued.

Choosing a snack that won't spike your blood sugar and manages to keep you feeling full and satisfied isn't hard. But it may take a bit of strategy.

Luckily, there's a simple formula you can follow when putting together a blood-sugar-balancing snack — and it requires just three things.

Dietitian Tip of the Day: Keep Blood Sugar Balanced by Including These 3 Things

To stay full and keep blood sugar balanced, Grace Derocha, registered dietitian and spokesperson for the Academy of Nutrition and Dietetics, told TODAY.com that it's important to include three specific things in a snack:

Protein

Fiber

Healthy fat

With t

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