They are also one of the best sources of vitamin C, the antioxidant that’s necessary for creating the protein collagen, which keeps skin firm and strong. One cup of bell pepper provides an impressive 317% of the RDI for vitamin C (20).
A large observational study in women found that eating plenty of vitamin C was associated with a lower chance of skin appearing wrinkled and becoming dry with age (17).
BOTTOM LINE:Bell peppers contain plenty of beta-carotene and vitamin C, both of which are important antioxidants for the skin. Vitamin C is also necessary to create collagen, the structural protein that keeps skin strong.