4: How to replenish collagen in our body?

Collagen can be replenished in 3 ways - injected into the body, applied on skin or taken orally. According to researches, consuming collagen orally is the most effective way. It is because most of the collagen supplements are hydrolyzed collagen and it ensures a better absorption. Orally taken collagen is by far the most proven among the 3 methods of collagen replenishment.