Extend Joint Care Natural Glucosamine with MSM for Dogs, 2 Box ADVANCED JOINT SUPPORT FORMULA. INSTANT MONEY BACK GUARANTEE! Support and repair joints and cartilage and to help retain flexibility. GLUCOSAMINE - Supports hydration, mobility and comfort. Methylsulfonylmethane: METHYLSULFONYLMETHANE (MSM) - Supports proper maintenance connective tissue function and joint comfort. TYPE II CHICKEN COLLAGEN - Essential building block for maintaining healthy articular cartilage. ASCORBIC ACID - Increases the production of collagen and glycosminoglycans like chondroitin sulfates and hyaluronic acid THE ULTIMATE RELIEF FOR DOGS! Extend proprietary formula is specifically designed to REVERSE the effects of joint damage. 100% SAFE AND ALL NATURAL and Vet Approved! Delicious Beef Flavor that Your Dog will Love!