Some people have genetic predispositions that make them more likely to experience adverse reactions to certain medications
Meet our doctors Last reviewed: 19 Jun 2026 Sources Glucagon-like peptide-1 (GLP-1): a gut hormone of potential interest in the treatment of diabetes (1998) PubMed [accessed 21 October 2025] Wegovy dosing schedule (2024) Wegovy.com [accessed 21 October 2025] Wegovy (semaglutide): a new weight loss drug for chronic weight management (2022) BMJ [accessed 21 October 2025] Wegovy 0.25 mg, FlexTouch solution for injection in pre-filled pen (2023) EMC [accessed 13 January 2026] Semaglutide and Cardiovascular Outcomes in Obesity without Diabetes, The New England Journal of Medicine [accessed 21 October 2025] Weight loss injections NHS weight loss injections GLP-1 for weight loss Can doctors help with weight loss
In a meta-analysis of major RCTs, GLP-1RAs reduced composite major CV events by 14% (hazard ratio [HR], 0.86
A spokesperson said: "We are committed to continually monitoring, evaluating, and reporting safety information for all Lilly medicines
Furthermore, the peptide is most stable when stored in the glass vial
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