The 5-Factor Diet Online is just $4 a week, billed every 91 days (applicable taxes not included). You may cancel your membership at any time by calling our customer care team, toll-free at 1-866-510-8226 from 9am-5pm ET, Monday through Friday. If you cancel, billing will stop immediately and no further charges will be billed to you. You will continue to have access to your account for the remainder of your term. ** If you are using a special promo code, you will be billed our regular rate at the end of your special term . Should you wish to cancel, you must do so prior to your offer expiring to avoid future billing.