7 Foods That May Help Your Skin Stay HealthyCollagen plays a key role in skin firmness, joint health and overall strength. While ageing reduces natural collagen production, certain foods and lifestyle habits may help your body support collagen formation. Vitamin C-Rich Foods Can Support Collagen FormationVitamin C plays a major role in collagen synthesis. Protein-Rich Foods Provide Collagen Building BlocksCollagen is made up of amino acids, which come from protein-rich foods. Some studies suggest collagen peptides may support skin hydration and elasticity, but results can vary from person to person.