**********Each Chewable Tablet Contains Glucosamine Hydrochloride 600 mg - Sodium Chondroitin Sulfate 300 mg - MSM 250 mg - Manganese 5 mg *****DS is the #1 Veterinary Recommended joint health supplement shown to protect joint cartilage and help keep dogs mobile*****Contains glucosamine and chondroitin which may help support joint health*****MSM helps maintain a healthy immune system and rejuvenates cells*****Scored tablets for easy dosing