Collagen has been a buzzword in anti-aging and wellness for nearly a decade now. It’s the main structural protein in our body’s connective tissue, and as we age, the production of collagen declines.

Spinach, kale, and other dark leafy greens are excellent sources of chlorophyll, which has been shown to increase collagen precursors in the skin. They’re also rich in antioxidants and vitamin C, both ...