Swanson Glucosamine & Chondroitin for Dogs Hip & Joint with Msm 6.35 Ounce (180 g) Pkg Swanson Pet Nutrition Swanson Glucosamine & Chondroitin for Dogs Hip & Joint with Msm 6.35 oz Pkg Per GMP guidelines set forth by the FDA, most products are formulated for 24 months from the date of manufacture. Liquids and probiotics are formulated for 12 months.