Cosequin Equine Optimized (800 grams) contains higher levels of active ingredients. This formula contains double the amount of glucosamine hydrochloride, at 14,400 mg, and 2,400 mg of chondroitin sulfate (per 2 scoops), as compared to the original Cosequin® Equine formula. Horses under high stress from intense activity may benefit from higher levels of glucosamine. Apple flavored powder. Administration: Per 600 lbs: 2 scoops daily for 2-4 weeks, then 1 scoop daily for long term administration. Ingredients: Glucosamine hydrochloride (derived from shellfish), sodium chondroitin sulfate (derived from bovine cartilage), natural and artificial apple flavor, and manganese ascorbate. Guaranteed Analysis: (1 level scoop) Glucosamine HCL min. 7200 mg Sodium Chondroitin Sulfate min. 1200 mg Manganese (Ascorbate) min. 32 mg