Provided is a technology that effectively uses a collagen-including composition that is derived from fish cartilage. A composition for cartilage protection or a composition for knee joint protection includes, as an active ingredient, this collagen-including composition that is derived from fish cartilage, wherein the collagen-including composition includes type II collagen and type XI collagen. The collagen-including composition preferably has a function of promoting the hyaluronic acid production ability of cartilage cells. Additionally, the collagen-including composition is preferably derived from salmon nasal cartilage.

You do not currently have access to this content.