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Medically reviewed by Dr Kathryn Basford Last reviewed: 02 Jun 2026 Mounjaro, Wegovy, and Ozempic are all injection medications that can be used for weight loss, although only Mounjaro and Wegovy are licensed for weight loss in the UK

Key variants in the GLP-1 receptor gene (GLP1R rs6923761), GIPR pathway, FTO gene (rs9939609linked to appetite regulation), and MC4R (rs17782313central satiety signaling) influence how individual bodies respond to GLP-1 agonists

Manna P, Jain SK

Besides, the crude AF/Aflutter counts were small (13 events in each arm), raising concerns about instability of estimates, and confidence intervals appear narrow

These could be signs of an infection (Zhu, 2019)

For those exploring flexible payment, some tirzepatide providers offer Afterpay and similar services as well