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Someone on Reddit posted before-and-after photos and said they started taking Mounjaro (a diabetes drug) in early January and have dropped about 25 kg (from 115 to 90 kg). They wrote that they’re about to start tapering the dose. It’s a personal report, not a controlled study — just one person describing their experience. Mounjaro is the brand name for tirzepatide. It’s a prescription medicine originally developed to treat type 2 diabetes. In plain terms, it’s a lab-made copy of hormones your gut releases after you eat. These hormones talk to your brain and pancreas to lower blood sugar and reduce appetite. People noticed it can cause big weight loss, so some doctors now prescribe it for weight management too, though the label and rules vary by country. The Reddit post itself is anecdote — a single person’s story with before-and-after pictures. That kind of evidence can be striking but it doesn’t prove cause-and-effect by itself. Large clinical trials have shown tirzepatide leads to meaningful average weight loss in groups of people, but individuals vary a lot. We don’t know this poster’s other habits (diet, exercise, other meds, medical conditions), and there’s no verification of dose, timing, or exact medical supervision. So the post is a real person reporting a big change, but it’s not the same as scientific proof. Why people care: tirzepatide and similar drugs (like semaglutide, the active ingredient in Wegovy/Ozempic) are producing weight-loss results much larger than older medicines. That’s important for people struggling with obesity, for doctors managing diabetes, and for anyone curious about new tools for weight control. Seeing someone lose 25 kg in a few months shows what’s possible and why demand for these drugs has surged. Important caveats and risks: these drugs work by changing appetite and digestion, and they come with side effects such as nausea, diarrhea, constipation, and sometimes more serious issues like gallstones or pancreatitis in rare cases. Long-term effects are still being studied. Stopping or tapering the drug can lead to weight regain if lifestyle changes aren’t maintained. Also, these medicines need a prescription and medical supervision — they’re not safe for everyone (for example, people with certain thyroid tumors or a history of pancreatitis require caution). Dosage changes should be done under a doctor’s guidance. Bottom line: a single Reddit report shows a big personal weight loss while using Mounjaro, which matches what larger trials suggest is possible, but it’s anecdotal and any treatment decisions should be made with a clinician who can explain benefits, risks, and a plan for long-term care.
Source: r/Mounjaro