About 70% of compounded tirzepatide vials are 10 mg/mL, 20% are 5 mg/mL, and 10% are other concentrations (Johnson et al., JMCP , 2025)

GLP-1 receptor agonists (semaglutide, liraglutide, tirzepatide) are contraindicated during breastfeeding per UK Summary of Product Characteristics No weight loss injection currently has regulatory approval for use whilst breastfeeding in the UK Transfer into breast milk and effects on nursing infants remain unknown due to absence of human studies Appetite suppression from these medications may compromise maternal nutrition needed for adequate milk production Safe alternatives include gradual dietary modification, regular physical activity, and NHS weight management programmes Women should defer weight loss medications until breastfeeding is completed and seek GP advice for postpartum weight concerns Table of Contents Weight Loss Injections and Breastfeeding: Key Safety Considerations Types of Weight Loss Injections and Their Use During Lactation Potential Risks to Breastfed Infants Alternative Approaches to Postpartum Weight Management When to Seek Medical Advice About Weight Loss While Breastfeeding Scientific References Frequently Asked Questions Weight Loss Injections and Breastfeeding: Key Safety Considerations Weight loss injections, particularly GLP-1 receptor agonists such as semaglutide (Wegovy) and liraglutide (Saxenda), have become increasingly popular for weight management

The FDAs removal of Tirzepatide from the shortage list without the due process of proper federal notice, at a time when they acknowledge that shortages still exist, is the definition of arbitrary and capricious, said Lee Rosebush, chairman of the Outsourcing Facilities Association, in a press release
It helps preserve muscle, supports your metabolism, and keeps you feeling satisfied between meals
Helps increase energy levels