Equine America Cortaflex HA Regular Solution 1L. Equine America Cortaflex HA Regular Solution has been specially formulated to effectively and economically support and maintain healthy joints in horses and ponies, and for those with wear and tear to the joints. Research suggests that small molecules are more readily absorbed through the cellular walls and so Cortaflex contains the micro sized key active isolates of Chondroitin and Glucosamine to help provide the body with both the building blocks and the stimulus for its own production of Chondroitin and Glucosamine. Read more… Cortaflex HA Solution is fortified with Hyaluronic Acid and ASU for an even greater benefit to joints, especially those exposed to excessive wear and tear. HA provides the joints with lubrication and the cartilage with the necessary nutrients. 1L- 1 month supply for the average horse.