Go to the FutureYou website and log in to your account.
Click on 'Account' on the top right hand side of the screen to access your account preferences.
In the list of options on the left hand side of the page click on 'MY SUBSCRIPTIONS'.
Scroll down to 'MY SAVED CARDS', there you can add a new card to your account.
If you want to change the card that is linked with an existing subscription please call 01223 750 874.