One vitamin that is needed for the formation of collagen is vitamin C. It also happens to be important for our skin health. Vitamin C deficiency and collagen deficiency can both have a serious effect on our health.
Aging, sun exposure, genetics, and a poor diet are all reasons why our collagen production and vitamin C production can start to decline. These are also the typical reasons you would have a deficiency.
The good thing is, collagen and vitamin C work together in the body to provide great skin health