Unopened product. The following is from the purchase page: Cosequin Maximum Strength with MSM, a top-selling pet supplement that supports the health of dogs' legs, hips, and joints, contains 120 soft chews. Can be given as a treat. Directions for use: For the first 4-6 weeks Pet's weight: Up to 4.5kg: 1/4-1/2 chew per day 4.5kg - 14kg: 1 chew per day 15kg - 26kg: 2 chews per day 27kg and over: 3 chews per day After that, give half the amount for maintenance. Ingredients: Per chew: Glucosamine Hydrochloride 600mg, Chondroitin Sulfate 300mg, MSM 400mg, Omega 3 70mg *Due to the product's packaging method and nature (soft chews), the chews may bump into each other in the bag and stick together. Therefore, please be aware that the shape of each chew is not necessarily perfect before purchasing. Cosequin Maximum Strength DS plus MSM, 120 soft chews, from NUTRAMAX. ■Directions for use Pet's weight: Up to 4.5kg: 1/4-1/2 chew per day 4.5kg - 14kg: 1 chew per day 15kg - 26kg: 2 chews per day 27kg and over: 3 chews per day Depending on the pet's health condition, use half the usual amount. (For pets weighing up to 4.5kg, use 1/4-1/2 chew every other day.) *Please adjust the amount given depending on your pet's health condition. ■Cautions If giving to pregnant or breeding animals, be sure to consult with a veterinarian before using this product. If your pet's health deteriorates after use, discontinue use and consult a veterinarian. After opening, store in a cool, dry place away from direct sunlight. Keep out of reach of children. ■Ingredients Per chew: Glucosamine Hydrochloride 600mg, Chondroitin Sulfate 300mg, MSM 400mg Sold by: NUTRAMAX Made in: United States of America