For dogs and cats. Cleans the system of all the toxins the body has accumulated over the years. These toxins can come from spot-on treatments, yard sprays, house sprays, air fresheners, wormers, shampoos and preservatives in food. Built up toxins in your pets system can decrease liver and kidney functions, resulting in a less healthy pet. For treatment give twice daily for 21 days, then repeat every 3 months.