How to choose

Understand the medication before you choose a program. Our explainers on how GLP-1 medications work, Ozempic and Wegovy side effects, tirzepatide side effects, and protecting muscle on GLP-1s will help you judge whether a service is being honest about risks and follow-up.

The defining question is whether the program is genuinely medically supervised. GLP-1s are prescription-only and appropriate only after a clinician confirms they're suitable for you; a safe program assesses your history, starts low and titrates slowly, screens for contraindications, and actively monitors side effects. Treat any site that ships medication with a token questionnaire — or promises a guaranteed amount of weight loss — as a red flag. We never advise starting or stopping these medicines; that decision is yours and your clinician's.

Be especially careful about the medication's source. Prefer FDA-approved products from licensed pharmacies, and read the FDA's guidance before considering compounded semaglutide or tirzepatide. For the bigger picture on metabolic health, see the weight & metabolism hub, and bring a clear history to your visit with the Appointment Summary Builder.

Frequently asked questions

Are online GLP-1 weight-loss programs safe?

They can be when the program is genuinely medically supervised: a licensed clinician assesses whether the medication is appropriate for you, prescribes an FDA-approved product, starts low and titrates gradually, screens for contraindications, and monitors side effects. They're not safe when medication is shipped with little assessment or follow-up. GLP-1s are prescription-only and appropriate only after a proper medical evaluation — this guide doesn't recommend starting or stopping any medication.

Is compounded semaglutide or tirzepatide the same as the brand version?

Not necessarily. Compounded versions are prepared by pharmacies rather than the original manufacturer, and the FDA has warned about quality, dosing errors, and unregulated online sellers. Availability and rules have also shifted over time. If a program uses compounded medication, ask why, where it's made, and how quality is assured, and read the FDA's guidance before deciding with your clinician.

Who should not take GLP-1 medications?

That's a decision for a licensed clinician based on your history, but these medicines are generally avoided in pregnancy and in people with certain conditions, such as a personal or family history of medullary thyroid cancer or MEN2, and used cautiously with a history of pancreatitis or certain digestive conditions. A safe program screens for these before prescribing. Always review your own situation with a clinician.