8 New Superfood-Filled Recipes You Need to Try

Bone broth is rich in glutamine and glycine, two amino acids that some nutritionists believe heal gut inflammation. Bone broth is also very rich in collagen, which supports and strengthens your hair, skin, and nails. Simmering bones for 15 hours might sound a little out of your comfort zone, but after you make this bone broth recipe once, you'll always want a batch ready to sip.