You can do this by sending an email to service@testa-omega3.com. They can not only cancel your subscription but also change your personal details such as address, temporarily pause your subscription or change the delivery data.
They can change your personal details such as your address details, or the delivery date. It is also possible, instead of canceling your subscription, to temporarily pause your subscription.
Please let us know how we can help you. After we have made a change or cancellation, you will receive a confirmation message from us.