Subscribe & Save orders are available in one month, two month and three month intervals with a minimum monthly retail value order of $65.00. You select the frequency with which you want to receive new orders, and we'll send out the shipments on that schedule automatically for a 12 month minimum cycle. You may change the subscription frequency, item quantity, shipping address, payment method, and billing address associated with your subscription at any time by contacting Natren customer service at 866-462-8736 or emailing at customerservice@natren.com. Click here to learn more about our Subscribe and Save program