Collagen Supplements for Skin Collagen supplements are used by people wishing to improve the condition of skin and nails and to help reverse signs of ageing. Our collagen tablets have been carefully formulated to give you the best results that you can see and feel. in Public bookmarkswith collagen_pillscollagen_supplementscollagen_tablets Note: Collagen supplements are used by people wishing to improve the condition of skin and nails and to help reverse signs of ageing. Our collagen tablets have been carefully formulated to give you the best results that you can see and feel.