Be careful when searching online; many studies are performed by companies that manufacture collagen supplements, so you can't put too much stock on ... it would have to be bone broth.

Although research is ongoing, some experts suggest that adding a collagen supplement or eating more collagen-rich foods may ...

Be careful when searching online; many studies are performed by companies that manufacture collagen supplements, so you can't put too much stock on ... it would have to be bone broth.