Various AutoShip programs are available that ship automatic refills every 30, 60, or 90 days. The standard AutoShip program available on our main order page offers one (1) bottle every 30 days. Other options are available on the AutoShip order page. If you're taking the standard dose of two (2) capsules daily (one bottle is a 1-month supply), you can choose to receive either one (1) bottle every 30 days, two (2) bottle every 60 days, or three (3) bottles every 90 days. If you're taking four (4) capsules daily (two bottles is a 1-month supply), you should sign-up to receive either two (2) bottles every 30 days, four (4) bottles every 60 days, or six (6) bottles every 90 days. To learn the details or enroll, click here and select the "Subscribe & Save" option.