Yes, the Dr. Pen M8S sold by FREYARA is a **genuine Dr. Pen product from an officially authorized sales channel**. Please note that a separate Certificate of Authenticity is not currently listed as a standard item included in every M8S package. You can verify FREYARA’s official Dr. Pen authorization on our website. If you need additional authenticity verification for your individual unit, please contact **service@freyara.com** with your order number and product details.