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SEMAGLUTIDEGLP-1 agonist

Compound dossier · evidence, sources, and live market

Semaglutide

GLP-1 agonist Strong evidence 3 cited studies 27 live vendors

Semaglutide is a synthetic analog of the human glucagon-like peptide-1 (GLP-1) hormone, primarily studied in research for its effects on glucose metabolism and appetite regulation. This peptide is commonly investigated in laboratory settings for its potential in metabolic and obesity-related research models.

Evidence brief

Semaglutide is a GLP-1 receptor agonist studied in phase 3 randomized controlled trials and summarized in a meta-analysis for weight management and type 2 diabetes.

cheapest (first-party)
$1.22/mg
highest
$27.00/mg
first-party vendors
27
Fair-price band · 27 first-party vendors · $/mg
median $6.00
$1.22cheapest $27.00highest
Comparing vendors on Semaglutide can save up to $25.78/mg — the cheapest tracked is $1.22/mg, the priciest $27.00/mg.

first-party prices captured 37m ago

Compare by exact vialThe small sealed glass container a compound ships in. size: 5mg (18 vendors)10mg (22 vendors)20mg (9 vendors)30mg (11 vendors)50mg (3 vendors)

email only when a vendor actually lowers a Semaglutide price — set a $/mg to only hear when it crosses your number · one-click stop
▸ Regulatory statusUSapprovedEUapprovedUKapproved

Approved by the FDA (Ozempic, Wegovy, Rybelsus), EMA, and MHRA for type-2 diabetes and obesity.Research use only — not medical advice.

Semaglutide · market statistics 27 sources tracked

These figures are what pepmg still publishes about price: the floor, the middle, the spread and how many sources we track, computed from listings we captured first-party and refreshed on the same schedule as always. We no longer publish the individual listings or the sellers behind them.

lowest tracked $1.22/mg
median $6.00/mg
highest tracked $27.00/mg
spread 22.1×
Lowest tracked $/mg, 39 days 98% cheaper over the period
06/30 · $50.00 low $1.22 · high $50.00 08/16 · $1.22

Computed from 69 in-stock listings across 27 sources we captured first-party, with bulk vials, blends and statistical outliers excluded so the figures compare like with like. The spread is the highest tracked price divided by the lowest — how much the same milligram varies depending on where you look. The chart is the daily minimum; days we did not capture are left out rather than filled in.

COACertificate of Analysis: a lab report stating a batch's measured identity and purity. availability: 23 of 27 sources selling Semaglutide publish a COA — 13 with at least one certificate you can open at the testing lab. What a COA proves →
Independent lab tests: Finnrick's batch purity results for Semaglutide → — third-party testing data, independent of every vendor and of pepmg.
Research articles about Semaglutide All research →
Peer-reviewed research · Semaglutidesource: PubMed
  1. Semaglutide 2·4 mg once a week in adults with overweight or obesity, and type 2 diabetes (STEP 2): a randomised, double-blind, double-dummy, placebo-controlled, phase 3 trial PubMed ↗
    RCThumanLancet · 2021 · PMID 33667417

    This trial assessed the efficacy and safety of the GLP-1 analogue once a week subcutaneous semaglutide 2.4 mg versus semaglutide 1.0 mg (the dose approved for diabetes treatment) and placebo for weight management in adults with overweight…

  2. Efficacy and Safety of Semaglutide for Weight Loss in Obesity Without Diabetes: A Systematic Review and Meta-Analysis PubMed ↗
    Meta-analysishumanJournal of the ASEAN Federation of Endocrine Societies · 2022 · PMID 36578889

    The weight loss benefit of semaglutide in patients with diabetes is well-documented, but its clinical utility in treating obesity among patients without diabetes is less described. We therefore assessed the efficacy and safety of…

  3. Safety of Semaglutide PubMed ↗
    ReviewhumanFrontiers in endocrinology · 2021 · PMID 34305810

    The glucagon-like peptide-1 receptor agonist (GLP-1RA) semaglutide is the most recently approved agent of this drug class, and the only GLP-1RA currently available as both subcutaneous and oral formulation. While GLP-1RAs effectively…

A few representative studies, each summarized on this site with the PubMed record linked beside it — not an endorsement or a claim that any result applies to human use. Read them and judge for yourself. Everything here is research use only.

Browse all peer-reviewed research →

Why compare $/mg for Semaglutide?

Per-mg prices for semaglutide vary significantly across vendors due to differences in synthesis purity, scale, and sourcing of raw materials. Comparing prices helps researchers identify cost-effective suppliers while maintaining quality standards for reproducible experimental results.

Reading the COA

A third-party Certificate of Analysis (COA) for semaglutide should confirm identity via mass spectrometry (e.g., ESI-MS) and purity ≥98% by HPLC. Common issues include under-filling (e.g., actual content below labeled mg/vial) and adulteration with truncated or oxidized peptide fragments.

FAQ

How should I store semaglutide for research use?
Lyophilized semaglutide should be stored at -20°C or below, protected from light and moisture. Reconstituted solutions are typically stable for short periods at 2-8°C, but researchers should verify stability data from the supplier.
What is a Certificate of Analysis (COA) and why is it important?
A COA is a document from the supplier or third-party lab detailing the compound’s identity, purity, and batch-specific test results. It is critical for verifying that the peptide meets research-grade specifications and is free from contaminants.
Why do prices for semaglutide differ so much between vendors?
Price differences arise from factors like synthesis scale, purification methods (e.g., HPLC vs. flash chromatography), and vendor overhead. Lower prices may indicate lower purity or under-filling, so researchers should always check COAs before purchase.

Same cluster

→ Reconstitution calculator for Semaglutide research math.
All products listed are sold by third-party vendors for laboratory and research use only (RUO). Where an FDA label or a peer-reviewed study has published a dose, pepmg reports it with the source named, because that is safer than guessing. It is a report, not medical advice and not a recommendation to use anything. pepmg sells nothing and ships nothing. Listings are price-tracking data, not endorsements.