Cosequin plays an important role in maintaining optimal joint function. The superior quality ingredients in our patented product provide the raw materials that are essential for the synthesis of the articular cartilage matrix and the major components of synovial fluid, while inhibiting the enzymes that break down cartilage. The effect of each ingredient performing its primary function concurrently is what makes Cosequin unique and a broad-spectrum cartilage matrix enhancer. What is an Optimized Formula and should my horse be given this? Cosequin® Optimized is the original researched formula now with higher levels of active ingredients in a tasty flavored powder. Current research suggests that horses under high stress or heavy activity may need higher levels of glucosamine hydrochloride. Cosequin Optimized provides 14,400 mg of glucosamine hydrochloride (based on 2 scoops per day) vs. Cosequin Original 10,800 mg (based on 6 scoops per day). I am currently giving my horse Cosequin Original Formula. Should I switch to the Optimized formula? If you are happy with the results you have seen using Cosequin original then there is no reason to change. If your horse has an intense competition schedule you may want to switch to Cosequin Optimized for the increased levels of active ingredients.