Flex Chews Glucosamine, Chondroitin, & MSM for Dogs; with Omega 3 Fatty Acids; Hip & Joint Comfort STRONG: Looking for an advanced formula? This is it. 750 mg of GLUCOSAMINE, 400 mg of CHONDROITIN, and 400 mg of MSM. Also contains added health benefits from OMEGA 3 FATTY ACIDS, DMG, VITAMIN C, and MANGANESE. Just what your dog's doctor ordered. EFFECTIVE: It works! Our customers say their dogs have greater mobility, less pain, and less stiffness. Older dogs with achy hips are finding relief. Retired working dogs are finding the kick in their step again. Healthy dogs are getting support to prevent future joint troubles. FLEXIBLE: It helps your dog's flexibility but also gives you dosage flexibility. The directions on the bottle list dosages for dogs weighing less than 25 pounds all the way up to dogs greater than 75 pounds. YUMMY: Dogs give the taste two-paws-up! An effective product is of no use if your dog won't eat it. Our company canine taste-testers and our four-legged customers keep asking for more. Customers with super picky dogs have found success in getting their dogs to easily take Flex Chews. QUALITY: Manufactured in the U.S.A in a NASC (National Animal Supplement Council) certified facility.