Yes, definitely! You need to access your account on our website and go to "Manage Subscription" or you can manage your subscription by clicking on the "Manage Subscription" on the email that we sent you when you placed your subscription order. From there, you will be able to add your products, change the delivery date, the order frequency, your billing info or even cancel your subscription. 

Alternatively, you can also go to your Swiss Toniq account by logging in using your username and password Click here, then click on “Manage Subscription » Click here 

On the Manage subscription page, click on the "Split Contract" 
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You can select the products that you want to be included in a separate contract to ship them together. To edit their next delivery date or order frequency, you need to click on "see more details" after splitting the subscriptions. 

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Should you have further questions, please contact us. Thank you