For your convenience you will automatically receive a fresh 30-day supply each month with your credit card billed at time of shipment. Cancel any time. You always receive your order without obligation to keep it. You always have control to change the frequency of your shipments by clicking here. If you ever want to cancel future shipments or receive a postage-paid return label just call 1-800-749-3937. Remember, your complete satisfaction is our top priority. Written refund requests will gladly be honored for paid merchandise received by us within 40 days of our ship date (less s&h or processing fee). Refunds will be applied to open balances, if any. Click here for additional information about our company.