This is an experimental weight loss procedure with mixed evidence. Before you consider it, ask what the research actually shows, who performs it, what it costs, and whether your goal is better served another way. Information only. We never name a clinic.
Start by asking for the evidence, because intragastric botox is an experimental treatment and major reviews have not shown a clear weight loss benefit overall. Then ask who performs the endoscopy and where, what the realistic effect and duration are, what it costs and how often it would be repeated, and whether a treatment with stronger evidence would suit your goal better. Be wary of any confident promise of results.
The points here are general and drawn from peer reviewed research summaries, reviewed September 2025. They are prompts for a careful conversation with a qualified doctor, not a recommendation to have the procedure. We never name a clinic or surgeon.
The honest starting point is that this treatment is still being studied and the results conflict.
What exactly is the procedure? Botulinum toxin is injected into the stomach wall during an endoscopy, with the idea of relaxing part of the muscle and slowing how quickly the stomach empties, so you feel full for longer. Ask how many injection sites and what dose are planned, since the evidence suggests these matter.
What does the research actually show? A meta analysis of randomised trials found no overall difference in weight loss between the injection and a control, though some studies using higher doses and multiple injection sites alongside diet reported modest, temporary loss. Ask the provider to point you to the evidence behind any claim they make.
Is it approved for weight loss? Ask directly. In most settings this use is considered experimental rather than an established, approved weight loss treatment, so understand its status where you would have it done.
Who performs the endoscopy, and where? This is a procedure done under sedation with a scope passed into the stomach, so ask who carries it out, their training, and whether it is done in a properly equipped facility with care available if a problem arises.
What are the risks? Any endoscopy carries small risks from sedation and from the procedure itself, such as discomfort, nausea, or rarely injury to the stomach wall. Ask what specific risks apply and how they would be handled, and what symptoms should prompt urgent care.
How long would any effect last, and would it be repeated? Botulinum toxin wears off over months, so any effect is temporary and providers may suggest repeat treatments. Ask how often, at what cost, and what the plan is if it does not work for you.
Given the uncertain evidence, the most useful question may be whether a different approach would serve you better.
What does it cost, and what is included? Ask for the full price including the endoscopy, sedation, any follow up, and any planned repeat sessions, and the currency you would be billed in. Weigh that against a treatment whose benefit is better established.
What are my alternatives? Ask the provider to compare this honestly with other options, including supervised lifestyle programmes, medications, or established procedures, and to explain why they would or would not suit you. A good clinician will discuss this openly rather than steer you toward one product.
Who supports me afterwards? If you travel for this, ask who you contact if you feel unwell after the endoscopy, who provides any diet support, and how repeat treatments or follow up would be arranged once you are home. As with any procedure abroad, a plan that ends at the airport is not enough.
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The evidence is mixed. A meta analysis of randomised trials found no clear overall weight loss benefit, though some higher dose studies with diet reported modest, temporary effects. Ask any provider to show you the evidence behind their claims.
In most settings this use is considered experimental rather than an established, approved weight loss treatment. Ask directly about its status where you would have it done.
Botulinum toxin wears off over months, so any effect is temporary and providers may suggest repeat treatments. Ask how often, at what cost, and what the plan is if it does not help.
It is done by endoscopy under sedation, which carries small risks from sedation and the procedure, such as nausea or rarely injury to the stomach wall. Ask which risks apply to you and what symptoms need urgent care.
Given the uncertain evidence, it is fair to ask how this compares with options that have stronger support, such as supervised lifestyle programmes, medications, or established procedures, and why they would or would not suit you.
What the treatment is, the evidence, the cost, and how to weigh it up. The full guide.
What to check before having a weight loss treatment in another country.
How to spot overblown promises and pressure selling around any treatment.
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