Dasuquin with MSM Chewable Tablets for Large Dogs is a premium joint health supplement that contains the combination of glucosamine hydrochloride, chondroitin sulfate and avocado/soybean unsaponifiables (ASU) to help support your pets joints. Each chewable tablet also contains methylsulfonylmethane (MSM), a source of sulfur, which helps support joint health. Dasuquin joint health supplements are brought to you by Nutramax Laboratories Veterinary Sciences, the #1 veterinarian recommended supplement company. ?Source: Among veterinary brands. Survey conducted among small animal veterinarians who recommended oral joint health supplements. *Source: Survey conducted among small animal veterinarians who recommended animal supplements. Features: Joint Health Support for Dogs: Dasuquin, the #1 veterinarian recommended joint health supplement brand?, combines the synergistic benefits of avocado/soybean unsaponifiables (ASU), glucosamine and chondroitin sulfate to help support healthy joints. For dogs over 60 lbs; Methylsulfonylmethane (MSM): MSM is a source of sulfur, which helps support joint health; Easy to Serve: Dasuquin joint health supplements come in a chewable tablet and are also available in soft chews; From the #1 Veterinarian Recommended Supplement Company*: Nutramax Laboratories Veterinary Sciences has been a leader in pet health for over 30 years, and provides supplements to support joint health, digestive health, and overall wellness; Backed by Science: Nutramax Laboratories Veterinary Sciences supplements are veterinarian formulated with high-quality ingredients to ensure your pet is receiving a safe supplement Ingredients: Glucosamine Hydrochloride 99% 900 mg, Methylsulfonylmethane (MSM) 800 mg, Sodium Chondroitin Sulfate 350 mg, Avocado/Soybean Unsaponifiables (ASU) Powder 90 mg, Boswellia Serrata Extract 40 mg, Green Tea Extract 32 mg, Other Ingredients: Brewers dried yeast, dextrose, lecithin, magnesium stearate, m.