Gluco Shiel Pro comes with a 100% money back guarantee – 60 full days from your original purchase. If you are not completely and completely satisfied with our product or its results within the first 60 days, just let us know by calling our toll-free number or sendingus an email and we will be happy to give you a full refund No problem if you sent them even on the 59th day of your 60day money back guarantee period and we received them several days later. As long as you have shipped back ALL supplement bottles, you can rest assured that the refund will be processed in just a few days after we receive your package.