This formula is entirely prepared with herbs that are certified organic, ethically wild-harvested or selectively imported if domestic sources are not available. We only buy from trusted growers. Tested for purity. Life Gold helps to ensure that the body's vital systems of detoxification are working well. Supports the immune system and promotes long-term health. Designed to help your Cat maintain the integrity of their immune system and keeps your Cat as comfortable and pain-free as possible. Natural products can be a helpful addition to your veterinarians treatment plan.