One cup of chopped walnuts is the ideal on-the-go snack—it’s filling, it’s not messy, and it provides your body with nearly 18 g of protein in just a few chomps.
Kimchi
Kimchi is a fermented cabbage condiment traditional to Korea. It’s chock full of probiotics, which, like those in yogurt, contribute to an optimally-functioning gut and therefore, metabolism, says Weiler.