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Who names their pharmacy
The hardest fact to get out of this market, and the one the FDA’s enforcement actually turns on. Here is who publishes it.
Updated 2026-09-18 · Prices verified independently
Ask most GLP-1 providers which pharmacy compounds your medication and you will not get a straight answer. A small number publish it outright, sometimes with a licence number you can look up.
This matters more in 2026 than it did in 2024. The FDA issued more than 55 warning letters to online GLP-1 sellers in a single action in September 2025, and the distinction between a properly licensed 503A pharmacy and an unlicensed source is exactly what separates a legitimate programme from a dangerous one.
What qualifies for this list
- Publicly names the compounding pharmacy or pharmacies used.
- Bonus weight where a state licence number or certificate of analysis is offered.
- Providers dispensing only FDA-approved branded product are excluded — the question does not apply to them.
2 of the 21 providers we track qualify. Prices verified 2026-09-18 and re-checked periodically.
The list
Cheapest qualifying option: Trimi at $125 a month. Our featured partner is pinned to the top of the list where it qualifies — see how we rate for who scores higher.
1. Trimi — Lowest flat price with named pharmacies
$125 a month, no membership fee. Flat-rate compounded GLP-1 programme on annual plans, with medical oversight through the Arora Health clinician network and publicly named 503A compounding pharmacies.
Both headline prices are annual-plan rates. Confirm the month-to-month figure and the refund terms before prepaying twelve months. Read the full Trimi review.
2. PlexusDx — Pharmacy transparency and genetic testing
$189 a month, no membership fee. Prescription GLP-1 and peptide programmes with no membership fee, built around genetic testing, using independent clinicians and a publicly listed set of 503A pharmacies.
The advertised "from $129" is the programme floor. Budget $189/month for the compounded injection tier. Read the full PlexusDx review.
Common questions
Why does the pharmacy matter?
Because the pharmacy is what is actually regulated. A 503A pharmacy is licensed by a state board; a 503B outsourcing facility registers with and is inspected by the FDA. Knowing which one made your medication tells you what oversight sat behind it.
How do I check a pharmacy myself?
Ask the provider in writing for the name and whether it is 503A or 503B, then look it up with the state board of pharmacy in the state it operates from. Licences are public records.
Is a provider that will not name its pharmacy a red flag?
Not on its own — most do not publish it, including well-run programmes. A provider that refuses to answer when asked directly is a different matter.
Read next
- The most transparent providers
Ranked on whether the advertised price is the billed price, and whether the company tells you where the medication comes from.
- Best compounded tirzepatide
Scored on true cost, price honesty, clinical support, pharmacy sourcing and how easy it is to leave.
- How to spot a bad seller
The FDA sent more than 55 warning letters to online GLP-1 sellers in one day. Here is how to tell a licensed programme from the rest.
- Best value, not just cheapest
Where the money buys something — clinical support, sourcing transparency or flexibility — rather than simply being the lowest number.
Coreage Rx pays us a commission on sign-ups through our links. It does not affect our scores or rankings. How we rate · Disclosure