LeanBiome is sold with the confidence that it will work for you – or we will make it right. Every order placed through the official LeanBiome website is protected by a full 180-day money-back guarantee. If at any point within 180 days of your purchase you are not completely satisfied with your LeanBiome experience, simply contact our US-based customer support team and you will receive a 100% refund with no questions asked – even if the bottles have been opened or used.