Collagen is a protein that aids in strengthening skin, bone and other tissues. There are at least 16 different types of collagen, and 80% to 90% of collagen ... use collagen supplements in an ...

published in the International Journal of Dermatology studied the outcomes of 19 studies where 1125 participants between the ages of 20-70 years took hydrolyzed collagen supplements for 90 days.

Can vitamin C help you look younger, longer? Yes. Without vitamin C, your body won't produce collagen ... Men need about 90 milligrams of vitamin C a day. Women only need 75 milligrams a day.