Semalix containing Semaglutide prefilled pen injection is a prescription medicine that should only be used under the guidance of your doctor or endocrinologist. The exact day and timing of administration should be decided and explained by your doctor based on your medical condition. Use the injection strictly as prescribed, store it properly, rotate injection sites, and monitor for side effects such as nausea. There are no specific dietary restrictions before or after the injection, but a balanced diet is generally advised to improve tolerance. Do not start, stop, or adjust the dose on your own without medical supervision.