You can reactivate your subscriptions from your account.
1) Log into your account
2) Click on “Manage Subscriptions” on the left-hand side, below your name, address, and phone number.
3) Click on the “Edit Button” on the right-hand side.
4) Click on "Re-activate" next to the subscription you would like activated.
After that, you will be able to make updates to your preferred shipping date and specify how often you would like to receive your orders.