Question 1

Where can you buy semaglutide?

Accepted Answer

Three kinds of supply appear in the public record, and they are not interchangeable. The first is the approved injection, which the FDA enforcement database lists as Wegovy (semaglutide) injection, 2.4 mg/0.75 mL, 4 Single-Dose Prefilled Pens per Carton, For Subcutaneous Use Only, Rx Only, made by Novo Nordisk Inc., Plainsboro, NJ 08536. The second is a compounded preparation from a pharmacy. Those appear in the same database under names such as Semaglutide Injection, 10 mg/4 mL (2.5 mg/mL), 4mL Multidose Vial, For Subcutaneous Use, Rx Only. The third is bulk powder. One 2026 listing covers Semaglutide, For Rx compounding use only, packaged in a) 1g, NDC 84385-106-01; b) 5g, NDC 84385-106-02, and on up to 100g. We name no seller and endorse none, so what follows is the checking method instead.

Question 2

Who is the best company to buy semaglutide from?

Accepted Answer

We do not answer that, and no source among the research behind this page answers it either. Among the research behind this page, no study, agency or register evaluates sellers of semaglutide against one another, so a ranking would be an opinion wearing the clothes of a finding. What does exist is a public record of enforcement actions, which names firms only when something went wrong with a specific lot. Ten Class II recalls of semaglutide sit in that database, filed by eight different firms between March 2022 and February 2026. Read what a recall is and is not. It is a documented failure in one batch from one firm, which tells you that firm was inspected and that the failure was published. In the research behind this page, it tells you nothing about any firm that has not been inspected, and absence from the database is not a clean record rather than an unexamined one.

Question 3

Is compounded semaglutide the same as the approved injection?

Accepted Answer

It carries the same chemical name and nothing else that the approved version carries. A 2022 review records that the trial results led to Food and Drug Administration approval of Wegovy (semaglutide) for weight loss, and that approval covers one presentation made to one filed specification. A compounded vial has no approved label, and the public listings show how far the presentations diverge. One is Semaglutide, 5 mg/mL, pre-filled syringe. Another is Semaglutide Injection, 6mg/2.4mL (2.5 mg/mL), 2.4mL Multidose Vial. A third is Semaglutide +Cyanocobalamin 1.5 mg + 0.25mg/0.5 mL Inj Sol. Those are three concentrations and one added ingredient across three listings. The approved schedule belongs to the approved presentation, and nothing in it has been established as applying to any of the others, which is why the amounts page refuses to carry it across.

Question 4

What do the FDA recalls of semaglutide say?

Accepted Answer

Ten Class II actions, and they divide into five reasons. Five cite Lack of Assurance of Sterility. Two cite Lack of Processing Controls. One records a Subpotent Drug. One covers CGMP Deviations in bulk powder, and one is filed as Temperature abuse. Nine of the ten concern compounded preparations or bulk material. The tenth concerns the approved injection and a shipping fault rather than anything made at the factory, which is a distinction worth holding onto. Every entry names a product and a firm, and every entry is searchable by anybody. A recall record is the strongest verifiable fact available about a seller of this compound, because it is written by a regulator, dated, and tied to a specific lot rather than to a reputation.

Question 5

What does lack of assurance of sterility mean?

Accepted Answer

It means the maker could not demonstrate that the contents were free of living organisms, which is a statement about the evidence rather than about a confirmed contamination. It is the most common reason in this record, and it attaches to five separate listings. Those five span four years and four firms. They include Semaglutide/Cyanocobalamin 24/2 MG/ML Injectable, 0.4 ML syringe, from Carolina Infusion LLC in Ridgeland, South Carolina, and Semaglutide, 5 mg/mL, pre-filled syringe, from Thrive Health Solutions in Englewood, Colorado. The practical point for a buyer is that sterility is not visible. A vial that failed this standard looks exactly like one that passed, which is why the check is a document and a database search rather than an inspection of the liquid.

Question 6

What does lack of processing controls mean?

Accepted Answer

It points at the procedure rather than at the result. Two 2025 listings from one pharmacy carry it, and both are blended preparations: Semaglutide +Cyanocobalamin 1.5 mg + 0.25mg/0.5 mL Inj Sol, and Semaglutide + Cyanocobalamin injection solution, 2.21 mg + 0.25mg/0.5 mL Inj Sol, both from Aequita Pharmacy LLC. A sterility finding says the maker could not show the contents were clean. A processing-controls finding says the steps used to make them were not adequately governed, which can affect identity and strength as readily as cleanliness. That difference matters when you read a recall notice. The two reasons are often summarised together as a safety problem, and they are not the same finding about the same stage of the work.

Question 7

What does a subpotent recall tell a buyer?

Accepted Answer

That the number printed on a vial and the amount inside it are separate facts. In July 2025 a pharmacy recalled Semaglutide, 2.5 mg/mL injection, 0.8 mL, from Boothwyn Pharmacy, and the reason filed against it was Subpotent Drug. This is the single most useful entry in the whole record for somebody holding a vial. Every other reason concerns how the preparation was made; this one concerns whether the label describes the contents, which is the assumption every calculation rests on. Potency is not visible either, and it is not detectable by anybody without a laboratory. That is why a certificate tied to the batch in your hand, rather than a figure printed on the carton, is the only document that speaks to this question at all.

Question 8

What does a recall of bulk semaglutide powder show?

Accepted Answer

It shows where compounded vials begin. A February 2026 action covers Semaglutide, For Rx compounding use only, packaged in sizes from 1g up to 100g, each with its own NDC number. The stated reason is unusually specific, and it is worth reading in full: CGMP Deviations This recall has been initiated due to failing to complete process validation and bacterial endotoxin method validation before distribution. CGMP means current good manufacturing practice, and an endotoxin is a fever-causing fragment of bacterial cell wall. So the material entered the supply chain before two of the tests that would have characterised it were finished. Anything compounded from a lot like that inherits the gap, and no analysis among the research behind this page reports what reached a finished vial rather than what left the drum.

Question 9

What does a certificate of analysis actually establish?

Accepted Answer

One batch, on one date, by one method, at one laboratory. That is the whole of it, and most of the work of reading one is checking that those four things line up with the vial in front of you. A certificate that names no batch number describes no particular vial. A certificate dated before the batch was filled describes a different batch. A certificate that names no method does not say what was measured, and identity, strength and sterility are three separate tests rather than one. Nothing published verifies certificates issued for semaglutide sold outside the approved supply. There is no register of them, no audit of them, and no study in this record has compared a certificate against the vial it came with, so what a reader can do is check internal consistency rather than confirm the result.

Question 10

How do you check a batch number and an NDC against the vial?

Accepted Answer

An NDC is a National Drug Code, the identifier printed on a package, and it appears in the enforcement records themselves. Two 2026 compounded listings carry NDC: 84139-225-04 and NDC: 84139-225-08, which differ only in the final pair of digits and describe different vial sizes. That last point is the practical one. The first two segments identify the labeller and the preparation, and the last identifies the package, so two codes can look nearly identical while naming different quantities of liquid. Checking is mechanical. Read the code and the lot number off the vial, search the enforcement database for both, and compare the code against the one on any certificate supplied with it. A code that matches nothing, or a certificate quoting a different lot, is a mismatch you can see without a laboratory.

Question 11

How do you confirm a laboratory issued a report?

Accepted Answer

By asking the laboratory, which is the only step that cannot be forged by whoever sent you the document. A certificate is a claim about a test until the named laboratory confirms it ran one. Three things make that call possible: a laboratory name, a report number and a date. A certificate missing any of the three cannot be checked at all, and a certificate carrying a laboratory that has no contact details is in the same position. Nothing among the research behind this page audits this for semaglutide. No study among the research behind this page has sampled certificates, contacted the laboratories named on them and reported how many were genuine, which means the absence of a scandal here is an absence of investigation rather than a finding of good practice.

Question 12

Where do you search FDA enforcement records?

Accepted Answer

The agency publishes them in a searchable database at accessdata.fda.gov, and every recall discussed on this page came from it. It costs nothing and takes a minute. Search the compound name rather than the brand, because compounded listings use the chemical name. Search the firm name as well, since one pharmacy can appear more than once: Aequita Pharmacy LLC appears twice in 2025 and ProRx appears twice in 2026. Read the recall number, the class, the reason and the description of what was recalled together. A Class II action means a reasonable probability of temporary or reversible harm, the reason tells you which stage of the work failed, and the description tells you whether the lot you hold is the one named.

Question 13

What does an added ingredient in a compounded vial mean?

Accepted Answer

Four of the ten listings contain a second substance, and in every case it is cyanocobalamin, which is a form of vitamin B12. They run from Semaglutide/Cyanocobalamin 5mg/0.2mg/ml, 2ml-vial upwards, including Semaglutide + Cyanocobalamin injection solution, 2.21 mg + 0.25mg/0.5 mL Inj Sol. For a buyer the consequence is arithmetic before anything else. A blended vial states two strengths, so a volume drawn from it delivers two substances, and the semaglutide figure is the smaller half of a label that reads as one number to a tired eye. No trial among the research behind this page has given semaglutide together with cyanocobalamin and reported an outcome. The combination exists in the enforcement record rather than in the literature, and those are two different kinds of document.

Question 14

How long is semaglutide good for in the fridge?

Accepted Answer

No study among the research behind this page reports a shelf life, and the only figures available are the storage instructions printed on labels. One compounded listing reads Sterile, 2 mL Multi Dose Vial, Refrigerate, Do not freeze, and an earlier one simply reads 2ml-vial, Refrigerate. What the record does hold is a case of storage going wrong. A 2025 recall of the approved injection was filed as Temperature abuse, and the notice records that Wegovy product was potentially exposed to temperatures outside of the products labeled storage conditions due to a shipping error involving a Cardinal Health distribution center. Read that carefully, because it is the useful half. Even inside the approved supply chain, with a labelled storage range and a tracked distributor, a batch left refrigeration for an extended period of time and was inappropriately released. A reader cannot audit a cold chain, which means storage is something to ask about rather than something to verify.

Question 15

How much does semaglutide cost?

Accepted Answer

No study among the research behind this page reports a price, and no regulatory register records one, so this page cannot answer the question with a number. Pricing is commercial information, and it appears nowhere in the literature or in the enforcement database. What the literature does say is that price changes behaviour. A 2025 review of practice outside trials records that many patients stop using them within the first year due to side effects or high costs of the medications, especially if not covered by insurance, and the same review reports discontinuation rates of 20% to 50% in the first year. The cheapest route is therefore a question no study among the research behind this page has studied, and the record offers one observation in its place rather than an answer. Of the ten recalls here, nine concern material made outside the approved supply, and the single reason that speaks to value for money is the subpotent vial.

Sourcing Semaglutide: what to verify