The idea to question
An easy checkout means the care has been checked.
The short answer
As of September 2026, US federal law requires a prescription for a prescription medicine. Whoever issues it needs a professional licence allowing them to prescribe. This may be a doctor or a different health professional with that permission. Ask for the person’s name and the licence you can check. The federal prescription rule

Look for an answer after payment too
The Food and Drug Administration, or FDA, flags an offer that leaves you unable to ask a licensed doctor questions once you have the medicine. FDA’s weight-care cautions
Ask the service how you reach that person. Keep the answer before agreeing to a plan.
Check more than the appearance
A seal that looks official, or a promise of a refund, can be fake. The Federal Trade Commission warns against relying on either. FTC’s online-health checks
FDA’s warning signs also include a damaged pack, instructions left out, or a suspect pharmacy name. FDA’s weight-care cautions
For compounded semaglutide and tirzepatide, FDA had identified products bearing nonexistent pharmacy names as of September 2026. FDA’s weight-care cautions
Compounded means specially prepared rather than supplied as the finished drug-company product. Ask for the pharmacy name and compare it with a state-board record. FDA’s pharmacy-record lookup