Retatrutide 5mg Cartridge | 10-Vial Kit | Triple Agonist GIP/GLP-1/Glucagon

🇨🇳 Ships From China Only
QSC Retatrutide (Triple GLP-1R/GIPR/GCGR agonist (LY3437943)) — ≥99% HPLC purity, MS confirmed, Janoshik COA. Pre-filled, ready to use — no reconstitution required. Research use only.

🇨🇳 Ships from Qingdao, China only — no regional domestic shipping for this cartridge line.
🌏 International shipping: 7–14 days

$240

or
SKU: QSC-RET5-RETATRUTIDE-5MG-10VIAL-CART
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What is Retatrutide?

Retatrutide (Triple GLP-1R/GIPR/GCGR agonist (LY3437943)) is a 39-amino acid triple-receptor peptide. Triple receptor co-agonist simultaneously activating GLP-1R, GIPR, and GCGR. GCGR activation adds thermogenesis, fatty acid oxidation, and hepatic glucose production modulation beyond dual GIP+GLP-1 agonism. Phase 2 (NEJM 2023): 24.2% mean weight reduction at 48 weeks (12mg dose).

Research Applications

Triple Receptor Pharmacology

GLP-1R + GIPR + GCGR co-agonism, additive receptor biology

GCGR Research

Isolated GCGR contribution vs tirzepatide (dual) in parallel arms

Obesity Models

Phase 2 NEJM 2023 reference — 24.2% weight reduction

Thermogenesis

GCGR-mediated fat oxidation and energy expenditure

NASH/Liver

Hepatic GCGR signalling and liver fat reduction

Quick Specs

Form Pre-filled cartridge (ready-to-use, no reconstitution)
Purity ≥99% by HPLC — every batch
CAS Number Not publicly standardized
Molecular Formula Large synthetic peptide (sequence-specific; proprietary)
Peptide Type Triple Receptor Agonist (GLP-1 / GIP / Glucagon Receptors)
Identity MS molecular weight confirmed — every batch
COA Janoshik-independent, publicly verifiable
Manufacture In-house Fmoc SPPS — Qingdao, China
Storage 2–8°C refrigerated; do not freeze (21–28 days once in use)
Shelf Life As indicated by manufacturer

Certificate of Analysis (COA)

Cartridge-specific batch COAs are issued per production run. Email [email protected] with your order or SKU to receive the current Certificate of Analysis for this batch.

✓ Verify on Janoshik ↗

Frequently Asked Questions

Is the QSC Retatrutide Cartridge pre-filled and ready to use?
Yes. The QSC Retatrutide Cartridge arrives pre-filled and pre-mixed — no bacteriostatic water or reconstitution is required. Load the cartridge into a compatible pen injector, dial the required units, and it is ready for use.
How should the Retatrutide Cartridge be stored?
Store refrigerated at 2–8°C, protected from light and heat. Do not freeze. Once a cartridge is in use, keep it refrigerated between doses and use within 21–28 days; discard if the solution turns cloudy or contains visible particles.
What purity is QSC Retatrutide and how is it verified?
QSC Retatrutide is tested to ≥99% purity by analytical HPLC on every batch. Molecular identity is confirmed by mass spectrometry. A Certificate of Analysis (COA) is published on the product page and independently verifiable at verify.janoshik.com using the batch reference number.
🧪 Peptide Research Tools: Use QSC’s free peptide calculators — dosing, click-dial conversion, and half-life charts.
🇨🇳 Ships from: Qingdao, China only — no regional domestic shipping for this cartridge line.
🌏 International shipping: 7–14 days
🧬 PubMed Research — Retatrutide
Search PubMed ↗
173 publications found Last 10 years 3 most recent shown

Showing 3 of 173 for Retatrutide

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.

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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.
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General Safety & Handling

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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.

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PPE Required

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

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Storage Compliance

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

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Proper Disposal

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

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Verify Quality

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

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Peptide Storage Guidelines

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

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