formula 707 (bb 2/2028)formula 707 joint 6in1 equine supplement 5 lb bag - support for joint integrity and inflammatory response in horses - green-lipped mussel, msm, glucosamine, chondroitin & collagen is up for auction in Pet Supplies. The current bid is $5.00, 93% below the $70.73 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.