nytimes September 28, 2021 9:00pm Do Collagen Supplements Help Skin, Hair, Nails and Joints? #skin #dietandnutrition #hair #dietarysupplementsandherbalremedies #arthritis #labelingandlabelsproduct #jointsbodypart #osteoarthritis #news Do Collagen Supplements Help Skin, Hair, Nails and Joints? (Published 2018) Any benefits from collagen supplements appear to be limited.