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One should start by preparing to inject Zepbound by removing the pen from the refrigerator and inspecting it for damage and expiration

Injectable Treatments Single dose, intramuscular injections (shot) Intramuscular injections deliver essential vitamins and minerals directly to your muscle tissue for a slower and balanced absorption rate

### Semaglutide Mechanism of Action Semaglutide achieves **weight loss** through multiple complementary pathways: - **Central appetite suppression** acts on hypothalamic GLP-1 receptors to reduce hunger and increase satiety - **Delayed gastric emptying** slows stomach emptying, prolonging feelings of fullness - **Improved insulin sensitivity** reduces insulin resistance and promotes healthy glucose metabolism - **Reward pathway modulation** reduces cravings and food-seeking behavior by acting on mesolimbic dopamine circuits - **Potential direct effects on adipose tissue** emerging research suggests GLP-1 may directly influence fat metabolism For a complete breakdown of semaglutide's dosing protocol, see our [semaglutide dosing schedule week-by-week guide](/guides/semaglutide-dosing-schedule-week-by-week-guide)

You have your chronological age (years lived) and biological age (cellular and systemic health)