3. Reduces joint pain and inflammation. The glucosamine in bone broth can actually stimulate the growth of new collagen, repair damaged joints and reduce pain and inflammation. 4. Produces gorgeous skin, hair and nails.The collagen and gelatin in bone broth supports hair growth and helps to keep your nails strong.. Reduces joint pain and inflammation. The glucosamine in bone broth can actually stimulate the growth of new collagen, repair damaged joints and reduce pain and inflammation. 4. Produces gorgeous skin, hair and nails.