10 Healthy Snacking Tips to Fuel Smarter and Lose Weight

The key to staying full is a combo of protein, fat, and fiber, according to celeb trainer Harley Pasternak, who told POPSUGAR this is "the Holy Trinity of satiety." Snack on almonds or walnuts, or spread some almond butter on a piece of fruit to balance the right macro and micronutritients that help you stay full and healthy.