The drugs work by suppressing appetite by mimicking the hormone glucagon-like peptide-1 (GLP-1), which is released after eating, making people feel so they eat less and lose weight.

Source: https://www.dailymail.co.uk/health/article-11831119/Game-changing-weight-loss-jab-2-5x-stronger-Ozempic-rolled-NHS-weeks.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

These drugs belong to a class of medications called glucagon-like peptide-1 (GLP-1) receptor agonists, which mimic the action of a naturally occurring hormone in the body that regulates blood sugar levels and appetite.

Source: https://www.huffingtonpost.co.uk/entry/im-a-psychologist-heres-why-ozempics-glorification-has-left-me-frustrated-and-fearful_uk_6465e127e4b0355739341f1e