With a good mixture of balanced trace minerals, quality vitamins, key amino acids for muscle development, chromium to help prevent muscle wastage and benefit Insulin resistant (IR) horses, and high quality pre and probiotics, you will find that Cool AZ® is ideal for keeping your horses looking good and feeling well. Cool AZ  will suit most horses, simplifying feed up time. Benchmark Cool AZ® will help your horse feel better on the inside, improving how it looks on the outside!