Quick answer: Verifying a peptide provider takes roughly twenty minutes and four public records. Get the prescribing clinician's full name and credential and check the licensing board in the state where you live, because telehealth is governed by the patient's location rather than the company's. Get the compounding pharmacy's legal name, address and license number, then confirm both the in-state license and, if it ships to you from elsewhere, its nonresident license with your state board of pharmacy. A seller unwilling to name its prescriber or its pharmacy has already answered the question you were asking.
Verification is a procedure you run, not a feeling a website gives you. Every claim that matters in this category is recorded in a public database somewhere, which means you can confirm it yourself without trusting anyone's marketing. What follows is the order to do it in.
Start with the prescriber, not the product
Prescriber identity is the first thing to establish, because everything downstream depends on it. A legitimate telehealth service will tell you the name and credential of the clinician who reviews your intake, whether that is an MD, DO, nurse practitioner or physician assistant, and it will tell you before you pay rather than after. Ask by email if the site does not say.
Vague answers carry information. A company that describes its clinicians only as "licensed providers" while naming none of them is asking you to accept a claim you have no way to check, and the request itself is the finding. Contrast that with a service that names its clinical group in writing, the way Everhuman names Arora Health, so you can look the individual clinician up.
The National Provider Identifier registry is the fastest second check. Search the clinician's name on the NPPES NPI registry, confirm the credential and the practice location match what you were told, and note the NPI number for the license lookup that comes next. A clinician who does not appear at all is worth a direct question.
Check the license in the state where you live
State licensure is the check most people skip and the one that decides legality. Telehealth is regulated by where the patient sits, not where the company is incorporated, so the clinician treating you generally needs a license in your state, not merely a license somewhere. A prescriber licensed only in another state may not be permitted to write for you at all.
Each state maintains a free public lookup, run by the medical board for physicians, the board of nursing for nurse practitioners, and in most states a separate board or the medical board for physician assistants. Search the exact name, confirm the license is active and unexpired, and read the disciplinary history section rather than skimming past it. Boards publish sanctions, consent orders and restrictions in the same record.
Get the pharmacy's legal name, address and license number
Pharmacy verification is the step sellers most often resist, which is exactly why it matters. Ask for the compounding pharmacy's registered legal name, its physical address and its pharmacy license number, then take those to the board of pharmacy in the state where the pharmacy operates. Licenses are public and searchable in every state.
Interstate shipping adds a second license to check. When a pharmacy in one state dispenses into yours, most states require it to hold a nonresident or out-of-state pharmacy license issued by your board, and your board's lookup will show whether it does. Absence of that registration is a real gap, not a technicality.
503A and 503B are different, and neither means FDA-approved
Compounding pharmacies fall into two regulatory categories worth knowing by name. A 503A pharmacy compounds patient-specific preparations against an individual prescription and is overseen primarily by its state board. A 503B outsourcing facility registers with the FDA, may produce larger batches without a patient-specific prescription, and is inspected against current good manufacturing practice standards.
Neither designation converts a compounded preparation into an FDA-approved drug. Compounded medications are not reviewed by the FDA for safety, effectiveness or manufacturing quality before they reach you, and a 503B facility's FDA registration describes oversight of the facility rather than approval of the product. Any marketing that blurs those two things is worth reading with suspicion, a pattern covered in the specific claims that signal a seller is overstating its standing.
Ask what testing is published, and per which lot
Third-party testing separates documentation from adjectives. Ask whether the pharmacy publishes independent potency, purity, sterility and endotoxin results, and ask whether those results are issued per production lot or represent a single certificate from some point in the past. Per-lot testing is the meaningful version.
Requesting the certificate of analysis for the lot you actually receive is reasonable and routine. A pharmacy accustomed to clinical customers will produce one; a seller that treats the request as unusual is revealing how it operates. Sterility matters most for anything injected, so treat its absence as disqualifying rather than as a missing nice-to-have.
Confirm labs, clinician access and the cancellation terms
Appropriate lab work is a signal of clinical seriousness. Depending on the therapy and your history, a prescriber may want baseline labs before writing anything and follow-up labs afterward, and a service that never mentions labs for a therapy where they are indicated is running a storefront rather than a practice. Ask what is ordered, when, and who reviews the results.
Access after purchase is the other half. Confirm that you can reach a licensed clinician with a question or a side effect, that the route is a real one rather than a support inbox, and that dose changes or discontinuation are clinician decisions. Read the cancellation terms in the same sitting, including how to stop a subscription, what notice is required and whether refunds exist.
Understanding the underlying category helps you ask sharper questions. Start with a plain explanation of what peptides are and how they act in the body and, if the therapy in question is a peptide that signals the pituitary, how sermorelin works and who prescribes it.
Frequently Asked Questions
How do I check if a telehealth prescriber is licensed in my state?
Checking a prescriber's license starts with the full legal name and credential, which a legitimate service will provide on request. Search the medical board, nursing board or physician assistant board website for the state where you live, since telehealth is governed by your location. Confirm the license is active and read the disciplinary section of the record.
What is the difference between a 503A pharmacy and a 503B outsourcing facility?
A 503A pharmacy compounds preparations for individual patients against a specific prescription under state board oversight. A 503B outsourcing facility registers with the FDA, can compound in larger batches, and is inspected against manufacturing quality standards. Neither one makes a compounded preparation an FDA-approved product.
Is FDA registration the same as FDA approval?
FDA registration and FDA approval are separate things. Registration means a facility has listed itself with the agency as required, which is an administrative step. Approval means a specific product went through review of its safety and effectiveness, which compounded preparations do not undergo.
Should a peptide provider require lab work?
Lab work depends on the therapy, your history and the prescriber's judgment, so no single rule covers every case. Many clinicians order baseline labs before prescribing and follow-up labs afterward, and the reasoning should be explained to you. Silence about labs where they would ordinarily be indicated is worth questioning.
What if a company will not name its pharmacy?
A company that declines to name its compounding pharmacy has given you a usable answer. Either the seller does not know which facility made the product or prefers that you not verify it, and both readings argue against purchasing. The same applies to a refusal to name the prescribing clinician.
The honest summary
Verification comes down to records you can pull yourself: the clinician's license in your state, the NPI listing, the pharmacy's license with your board including nonresident registration, the compounding category, and the per-lot testing documentation. Add the practical questions about labs, clinician access and cancellation, and you have a complete picture.
What verification cannot tell you is whether a therapy works for you, which is a separate question answered by evidence and by a clinician who has evaluated your history. For the evidence half, read how to judge the strength of a study before you judge a claim. For the distinction between what is sold as research material and what is prescribed, read the difference between research-labelled peptides and prescribed therapy.
References
Primary sources for the claims above. Where a study is preclinical, that is stated in the section it supports.
Impurity profiling of the most frequently encountered falsified polypeptide drugs on the Belgian market. Talanta. 2018. PMID 30029448.
Safety and Efficacy of Approved and Unapproved Peptide Therapies for Musculoskeletal Injuries and Athletic Performance. Sports medicine (Auckland, N.Z.). 2026. PMID 41966639.
Compounded medications are not FDA-approved and are not the same as, nor a substitute for, FDA-approved products. Prescription products require an evaluation by a licensed provider who determines whether a prescription is appropriate. A prescription is not guaranteed. Individual results vary. Everhuman does not provide medical advice; clinical care is delivered by Arora Health.