Bighead and osteoporosis are a constant risk from high phosphorus, oxalates and phytates in feeds such as cereal and grassy hays, grains, bran, and sub-tropical grass (including buffel, panic, kikuyu and setaria) found throughout Australia. Signs include shifting intermittent lameness, reluctance to move forward freely, joint pain, creaky joints, stiffness, dental problems and an increased risk of fractures, tendon, and ligament injuries. Maintaining mineral intake throughout a horses life helps protect against dietary imbalances and musculoskeletal weakness. Trusted product by horse owners & veterinarians A unique combination of Organic & Inorganic calcium For all horses grazing pastures with soluble & insoluble oxalates All horses on a calcium deficient diet develop some degree of osteoporosis Only 20%-50% of horses with osteoporosis develop Bighead