Natural Wellbeing and Pet Wellbeing formulate and manufacture holistic herbal supplements for both people and our beloved pets. We use only the highest quality ingredients and all of our herbs are certified organic, ethically-harvested or selectively imported. Our products are manufactured in NSF cGMP-certified facilities in the United States where every single patch of product is tested for purity and potency. We are so sure you'll love our products, we back it with our full 60 day, money-back guarantee. If you are not 100% satisfied, return the product - we even accept empty bottles - for a full refund (minus shipping). No questions asked. Thank you for shopping with us!