Dasuquin with MSM is a new breed of joint health supplement in a tasty chewable tablet for dogs that goes beyond standard glucosamine supplements. It contains avocado/soybean unsaponifiables, or ASU, fortified with green tea, combined with glucosamine hydrochloride, MSM and low molecular weight chondroitin sulfate. It is the most complete joint support supplement available. Dasuquin with MSM is a non-prescription (OTC) product available as flavored, chewable tablets.