For Research Use Only · Not For Human or Veterinary Use · Not FDA-Approved
Vial size
Semaglutide — independently assayed, batch-tested, and shipped from our fulfillment facility in San Antonio. Released only after an independent laboratory returns its results for the batch.
Select your pack size
Single
$74.99
$74.99 / vial
3-Pack
$213.72
$213.72 / vial
Save $11.25
6-Pack
$404.95
$404.95 / vial
Save $44.99
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— About this compound
Semaglutide is a synthetic analog of human glucagon-like peptide-1 (GLP-1), a 31-amino-acid incretin hormone. Engineering modifications — a C18 fatty-diacid side chain that promotes reversible binding to serum albumin, plus substitutions that resist DPP-4 degradation — give it a markedly longer circulating half-life than native GLP-1, a central focus of the analog literature.
In research, semaglutide is used as a reference GLP-1 receptor agonist for studying incretin signaling, pancreatic islet biology, and energy-metabolism models. It is a regulated therapeutic in approved human channels; the Merit Sciences offering is supplied strictly for research use and not for human or veterinary administration.
— Mechanism
Selective agonism at the GLP-1 receptor, a class B G-protein-coupled receptor. Receptor engagement modulates glucose-dependent insulin secretion, glucagon release, and central pathways implicated in satiety in preclinical models.
— How it’s made
Every Nexa batch follows the same documented path. Five steps, every one verifiable.
01
Sourcing
Active pharmaceutical ingredient sourced from FDA-registered manufacturers. Identity confirmed against reference standard before any compounding begins.
02
Compounding
Lyophilized in a cleanroom at our US facility. The powder format gives ≥24 months sealed stability — no cold-chain shipping required.
03
Verification
Reverse-phase HPLC-UV (UV/MS for higher-MW peptides) confirms identity and purity for every batch before it leaves the lab. The chromatogram is archived.
04
Release
No batch ships until an independent laboratory has returned its identity and purity results and the certificate is published in the COA library.
05
Dispatch
Sealed vials with a QR code on the label that opens the COA library. Order before 2pm CT Monday–Thursday for same-day dispatch. UPS Ground, tracked + insured.