Ah, you may not be aware of this. Collagen supplements are trendy with the wellness crowd as a protein powder, and bone broth is too under closely related reasoning. People who buy these things are thinking, "I want my skin and tissues to be healthier, so I'm going to buy collagen or bone water that is full of it."

This study seems like it bolsters the reasoning. The market for both of these options is currently closed off to vegans.