Cosequin ASU goes above and beyond traditional horse joint glucosamine chondroitin sulfate products. Cosequin ASU is the new advanced equine joint formula brought to you by the makers of the #1 veterinarian recommended joint health supplement for horses, Cosequin. Administration Body Weight Initial 2-4 Weeks Long-Term Administration Under 600 lbs: 1 scoop daily 1/2 scoop daily 600-1200 lbs: 2 scoops daily 1 scoop daily Over 1200 lbs: 3 scoops daily 1-2 scoops daily.