TuffRock is a powerful natural feedstuff for horses, made from stable 100% Australian all-natural energised 3 and 2 domensional volcanic colloidal minerals, beneficial for collagen, joint and stress support. It offers a "wholistic" approach addressing synovial joint fluid, cartilage structure, bone density and supporting ligaments, tendons, muscles and digestive health. EJF is a blend of supercharged TuffRock Conditioner Plus liquid with wheat bran, pollard and calcium. TuffRock EFJ is all about gut health and collagen, and horses love the taste!