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  • 🇺🇸 USA Domestic
  • Research Compounds
    • Research Peptides
      • Anti-Aging & Longevity Peptides
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      • Recovery & Healing Peptides
      • Weight Loss & Metabolic Peptides
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    • About QSC
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≥99% Purity Verified • COA on Every Product
Free Shipping on All Orders • FedEx 2Day in USA 🇺🇸
Domestic Warehouses: 🇺🇸 🇪🇺 🇬🇧 🇦🇺 🇨🇦

Semaglutide 15mg | 20-Vial Kit | GLP-1 Receptor Agonist

QSC Semaglutide (GLP-1 receptor agonist) — ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.

✓ 99%+ Purity ✓ COA Available
✓ Free Shipping on All Orders ✓ Domestic Warehouses (USA/EU/UK/AU/CA)

$370

or
SKU: QSC-SEMAGLUTIDE-15MG-20VIAL
Categories: European Union, Peptide Blends, Research Peptides, United States, Weight Loss & Metabolic Peptides
Brand: QSC
Technical Specs & COA
PubMed
Disclaimer & Storage Guide

QSC RESEARCH GRADE

≥99% HPLC PurityMS ConfirmedJanoshik COAIn-House SPPS5-Region Domestic Shipping

What is Semaglutide?

Semaglutide (GLP-1 receptor agonist (94% homology to native GLP-1)) is a 31-amino acid fatty acid-conjugated peptide. Selective GLP-1 receptor agonist with 94% amino acid homology to native GLP-1, fatty acid conjugation enabling weekly dosing. Activates GLP-1R on pancreatic beta cells, hypothalamus, heart, and kidney — glucose-dependent insulin secretion, appetite suppression, gastric emptying delay, and direct cardiovascular effects. SELECT CVOT (2023): 20% MACE reduction.

Research Applications

GLP-1R Pharmacology

Receptor signalling, cAMP cascade, beta cell insulinotropic response

Metabolic Research

Type 2 diabetes, insulin secretion, OGTT models

Obesity & Appetite

Hypothalamic appetite suppression, gastric emptying delay

Cardiovascular

SELECT CVOT reference compound — 20% MACE reduction

NASH/Liver

Hepatic steatosis, NASH resolution, liver fibrosis models

Quick Specs

Form Lyophilized powder
Purity ≥99% by HPLC — every batch
CAS Number 910463-68-2
Molecular Formula C₁₈₇H₂₉₁N₄₅O₅₉
Peptide Type GLP-1 Receptor Agonist
Identity MS molecular weight confirmed — every batch
COA Janoshik-independent, publicly verifiable
Manufacture In-house Fmoc SPPS — Qingdao, China
Storage -20°C sealed | 2–8°C reconstituted (2–4 weeks)
Shelf Life 24 months unopened

Certificate of Analysis (COA)

QSC COA Report

✓ Verify on Janoshik ↗

🧪 Peptide Research Tools: Use QSC’s free peptide calculators — reconstitution, BAC water, dosing, half-life, and mixing charts.
🌍 Domestic shipping: 🇺🇸 USA  ·  🇪🇺 EU  ·  🇬🇧 UK  ·  🇨🇦 Canada  ·  🇦🇺 Australia
🧬 PubMed Research — 15mg
Search PubMed ↗
683 publications found Last 10 years 3 most recent shown
41796650
Efficacy and safety of conbercept, ranibizumab and laser in retinopathy of prematurity: a systematic review and network meta-analysis.
Linghu D et al. · Surv Ophthalmol 2026 View ↗
41612966
Efficacy and Safety of Tirzepatide in Japanese Participants With Obesity: A Subpopulation Analysis of the SURMOUNT-1 Trial.
Ishigaki Y et al. · Obesity (Silver Spring) 2026 View ↗
41243623
Real-World Edoxaban Concentrations in Older Patients Receiving Reduced-Dose Regimens.
Tang SC et al. · Clin Pharmacol Ther 2026 View ↗

Showing 3 of 683 for 15mg

View all on PubMed ↗

Source: PubMed / NCBI  ·  Last 10 years  ·  Refreshed every 24 hours  ·  For research reference only — not clinical guidance.

⚠️ RESEARCH USE ONLY — NOT FOR HUMAN CONSUMPTION

QSC products are strictly for in vitro and in vivo laboratory research. Not intended for diagnostic, therapeutic, or personal use.

📋

Research Use Disclaimer

All QSC products are strictly for laboratory, scientific, and research use only. They are not for human consumption, medical treatment, diagnosis, or disease prevention.

By purchasing or using QSC products, you confirm:

  • You are a qualified researcher or acting under the supervision of one.
  • Products will only be used for legitimate research purposes.
  • Products are not evaluated by the FDA or any regulatory authority for human use.
  • You assume all responsibility for legal compliance, proper handling, and storage.
  • You meet the legal age requirement in your jurisdiction.
No Warranty: Products are sold “as is,” with no express or implied warranties regarding efficacy, safety, or suitability. Results in research may vary. QSC is not responsible for outcomes, interpretations, or conclusions drawn from any studies conducted using these products.
🧪

General Safety & Handling

🚫

Not for Human Use

These compounds are for research only. Any off-label, personal, or clinical use is strictly outside the intended scope of supply.

🥽

PPE Required

Always use appropriate personal protective equipment (gloves, lab coat, eye protection) when handling peptides.

🌡️

Storage Compliance

Follow product-specific storage conditions to maintain identity, purity, and biological activity.

🗑️

Proper Disposal

Dispose of all materials in accordance with institutional biosafety, chemical waste, and hazardous material protocols.

🧾

Verify Quality

Janoshik COAs are available on every product page. Verify batch identity (MS confirmed) and purity (≥99% HPLC) before use.

❄️

Peptide Storage Guidelines

🌑 Light-protected💧 Low moisture🌡️ Stable temperature🔬 Sterile handling

Semaglutide 10mg | 20-Vial Kit...

$330

Semaglutide 20mg | 20-Vial Kit...

$410

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