For really bad cases, you might need more, and shots are given once a week, or as the doctor says

Amylin/Calcitonin Receptor Agonism (cagrilintide) Delays gastric emptying, reduces postprandial glucagon, and strongly promotes satiety Modulates appetite-regulating centers in the hindbrain, hypothalamus, and brain reward circuits, directly influencing food intake and choice May transiently activate the renin-angiotensin-aldosterone system with dose escalation, but without blood pressure or electrolyte derangements GLP-1 Receptor Agonism (semaglutide) Stimulates glucose-dependent insulin secretion and suppresses glucagon release to improve glycemic control Reduces appetite and ad libitum energy intake, with central effects on GLP-1R-expressing nuclei in hypothalamus and brainstem Delays gastric emptying and increases satiety, contributing to progressive bodyweight loss Pharmacokinetic Profile Route of Administration Subcutaneous Dosing Frequency Once weekly Route of Administration : Subcutaneous Injection Dosing Frequency: Once weekly Half -life: Cagrilintide: 7-8 days

How quickly can I feel the effects after receiving a B12 injection
Insert needle at a 90-degree right angle
No findings suggest clinical relevance, therapeutic intent, or suitability for human or veterinary use
With all that potential, its no surprise patients want to be sure this therapy wont cause issues during workplace or athletic drug screenings