Horses Absorb Components of Gelatin, Researchers Find

In 2006, a pair of researchers who reviewed the literature on gelatin (hydrolyzed collagen) in humans found that it is absorbed intestinally and accumulates in cartilage. They also reported that supplementing gelatin led to a significant increase in the production of new tissue by cartilage cells. Their conclusion: gelatin might help patients affected by joint disorders such as osteoarthritis