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RESEARCH PEPTIDE · 5 SIZES

Semaglutide

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RESEARCH USE ONLY.
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In short

Semaglutide is supplied here as a laboratory research compound in 5 sizes (5mg to 30mg), from $80.00 per vial, each lot documented with its identity method, purity method and test date. It is not an FDA-approved medicine. For laboratory research use only.

Identity and nomenclature

Semaglutide is a synthetic peptide classified as a GLP-1 receptor agonist. Approved prescription medicines containing this active ingredient exist; the material listed here is a laboratory research compound and is not a medicine and not for human or animal use.

Semaglutide is also listed and searched as semaglutide peptide, sema, sema peptide, semaglutide research peptide. Every one of those names refers to the same compound. A name is not an identity check, which is why the analytical record below carries more weight than the text on a label.

Frequently mistyped as semaglutid, semaglutude, semiglutide. Those spellings reach this same record.

The research on Semaglutide

Status: Approved medicines exist — this material is not one of them. Semaglutide is a GLP-1 receptor agonist. FDA-approved medicines containing semaglutide exist and are available only on prescription, manufactured under pharmaceutical quality systems that a research-chemical supply chain does not replicate.

Sources checked 2026-08-25: American Med Spa Association — FDA announces semaglutide shortage resolved · Alston & Bird — FDA resolves semaglutide shortage

Current FDA guidance and regulatory status

Approved as a prescription medicine — compounding grace period ended 2025

The FDA determined on 21 February 2025 that the semaglutide injection shortage was resolved. The agency then allowed a wind-down: it stated it would not act on certain compounding violations until 22 April 2025 for 503A pharmacies and 22 May 2025 for 503B outsourcing facilities. Both dates have passed, so compounded semaglutide is no longer generally permitted outside narrow circumstances.

Status verified 2026-08-25. Regulatory positions move; check the primary source before relying on any summary, including this one.

How is Semaglutide identity and purity established?

Identity is established with orthogonal evidence — a mass-spectrometric measurement that matches the expected molecular mass, read alongside a chromatographic purity profile. A purity percentage on its own establishes neither identity nor quantity.

Purity is reported as a chromatographic area percentage from reverse-phase HPLC, stated together with the method and the date it was run. An area percentage quoted without its method is not a result.

Two numbers are routinely confused with each other. Purity describes how much of what is in the vial is the intended compound. Net content describes how much material is actually there. A vial can be 99% pure and still contain substantially less mass than its label states, which is why the record treats them as separate measurements with separate methods.

Lot documentation for Semaglutide

Semaglutide lot documentation by size
SizeLotIdentity methodPurityTest date
5mgPending verificationPending verificationPending verificationPending verification
10mgPending verificationPending verificationPending verificationPending verification
15mgPending verificationPending verificationPending verificationPending verification
20mgPending verificationPending verificationPending verificationPending verification
30mgPending verificationPending verificationPending verificationPending verification

No lot documentation is published for Semaglutide yet. Rather than display a placeholder certificate, this record shows the gap until each field has been verified against the lot in hand.

Storage and handling

Sealed lyophilised vials are held cold and protected from light. Once a solution is prepared, stability depends on the compound, the diluent, the concentration and the temperature, so laboratories date and label prepared solutions and record the preparation in their own notes.

For solution preparation arithmetic — concentration, per-graduation values and molarity — use the Semaglutide solution calculator or the general vial concentration tool. Those tools cover laboratory measurement only and contain no administration guidance.

Sizes and unit cost

Semaglutide sizes and cost per milligram
SizePricePer mgAvailability
5mg$80.00$16.009 in stock
10mg$100.00$10.009 in stock
15mg$105.00$7.00Out of stock
20mg$110.00$5.509 in stock
30mg$115.00$3.83Out of stock

Volume pricing applies per size: 10–19 vials of the same size save 10%, 20 vials save 15%. Standard shipping is free over $200, and verified in-stock orders placed before 12 PM Pacific are dispatched the same day.

What an order actually costs

Say you need ten vials of Semaglutide 10mg for a run of work. At $100.00 each that is $1000.00 at list; the 10-vial tier takes 10% off, so it bills at $900.00 — $100.00 saved, and free standard shipping because the order clears $200. Twenty vials moves you to the 15% tier: $1700.00 instead of $2000.00, which works out at $8.50 per milligram against $10.00 at single-vial pricing. Volume pricing is applied per size, not across mixed sizes.

How to evaluate any supplier of Semaglutide

This applies to us as much as to anyone else. Run these five checks before money moves.

  1. Verify the certificate at the laboratory, not the seller. Take the report's key or QR code to the issuing laboratory's own verification page. If it does not resolve, or resolves to a different product, the document is worthless no matter how convincing it looks.
  2. Check the certificate names the seller as its client. A report commissioned by somebody else tells you about somebody else's material, not about the vial in front of you.
  3. Match the lot on the certificate to the lot on the vial. A genuine report for a different lot is still the wrong report.
  4. Require a method beside every number. A purity percentage with no stated method and no test date is marketing, not a result.
  5. Confirm identity separately from purity. Purity describes how much of what is in the vial is the intended compound. It cannot tell you the compound is the right one — that takes mass-spectrometric evidence read alongside the chromatography.

Why regulatory status matters when you buy

Regulatory status varies by compound, formulation, intended use and jurisdiction. Listing a compound in this catalogue is not an approval, safety, efficacy, quality or suitability claim of any kind.

FOR LABORATORY AND IN-VITRO RESEARCH USE ONLY. NOT FOR HUMAN OR ANIMAL CONSUMPTION. NOT FOR PERSONAL, MEDICAL, DIAGNOSTIC, THERAPEUTIC, OR RECREATIONAL USE.

Questions about Semaglutide

Is this the prescription product?
No. This is a research material supplied for laboratory use only. Approved semaglutide medicines are made under pharmaceutical quality systems and dispensed by prescription.
How is identity established?
Mass-spectrometric evidence consistent with the expected molecular mass, together with a chromatographic purity profile, each with its method and date.
What documentation comes with this compound?
Each lot's record carries the lot identifier, the identity method and result, the purity method and result with its test date, the issuing laboratory, and the storage statement. Where a field on this page reads "pending verification", that field has not been confirmed against the lot in hand — we publish the gap rather than fill it with a supplier's claim.
How do I verify the certificate of analysis is real?
Check it at the issuing laboratory, not with the seller. An independent testing laboratory issues each report with a verification key or QR code that resolves on the laboratory's own site. If a certificate has had its key or QR removed, or the number resolves to a different product, the document is worthless regardless of how it looks. This is not hypothetical — a competing vendor was publicly documented in 2026 publishing certificates with the verification key stripped out.
How should this compound be stored?
Sealed lyophilised vials are held cold and protected from light. Once a solution is prepared, stability depends on the compound, the diluent, the concentration and the temperature, so laboratories date and label prepared solutions and record the preparation in their own notes.
What does the price per milligram tell me?
It is the honest way to compare sizes. The table above lists cost per milligram for every stocked size of Semaglutide; larger vials almost always carry a lower unit cost. The cost-per-milligram tool ranks the entire catalogue the same way.
Can an individual researcher order, or only institutions?
Both. There is no institutional account, purchase-order minimum or credential screening. Guest checkout accepts an individual name, email and shipping address. Volume pricing applies to anyone: 10–19 vials of one size save 10%, 20 vials save 15%.
FROM THE BENCH

Lot reports, storage data, and what we learn testing them.

A short note when new certificates post, when a stability result surprises us, and when a guide worth reading goes up. No promotions.

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