Retatrutide 20mg
LatestLOT JNS-214784
99.801%
HPLC purity · meets spec
- Labeled
- 20mg
- Measured
- 22.01mg
- Endotoxin
- 1.345 EU/Vial
- Tested
- Aug 17, 2026
5 of 7 assays passed · ISO/IEC 17025 accredited
Certificate of Analysis available7x tested · ISO 1702599%+ purity
Metabolic Peptide
Retatrutide 20mg
LY3437943Triple Agonist
A triple-action metabolic research peptide studied across GIP, GLP-1 and glucagon receptors. Premium research peptide.
Mass
$299.95$207.32/vial
$299.95$207.32/vial
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Verified Test Results
Every batch, independently verified.
Each batch is analyzed by an ISO/IEC 17025 accredited third-party laboratory before it ships. This is the released report for the current batch, exactly as the lab signed it.
JAJanoshik AnalyticalIndependent, ISO/IEC 17025 accredited
Certificate of Analysis
99.801%
Purity by HPLC
- Lot
- JNS-214784
- Tested
- Aug 17, 2026
- Labeled
- 20mg
- Measured
- 22.01mg
ISO 17025 Accredited7× Tested
Full QC panel
5 passed · 2 reportedPurity
Common GLP-1 peptide blind test
99.801%Pass
Retatrutide content
Common GLP-1 peptide blind test
22.01 mgReported
Arsenic (As)
Heavy metals screening
Not detectedPass
Cadmium (Cd)
Heavy metals screening
Not detectedPass
Lead (Pb)
Heavy metals screening
Not detectedPass
Mercury (Hg)
Heavy metals screening
Not detectedPass
Endotoxin
Endotoxin analysis (up to 10 EU/vial)
1.345 EU/VialReported
Every batch on record
Open any lot's signed certificate. Your order ships with its own lot-specific report.
Technical specifications
Compound Information
Molecular Profile
What Is Retatrutide?
Retatrutide (LY3437943) is a synthetic peptide that functions as a triple agonist, targeting the glucose-dependent insulinotropic polypeptide (GIP), glucagon-like peptide-1 (GLP-1), and glucagon receptors. Its molecular formula is C221H342N46O68, with a molecular weight of 4731.5 g/mol. Research indicates its activity across multiple metabolic pathways.
Triple AgonistResearch GradeCOA Verified
- Type
- Triple GIP/GLP-1/glucagon receptor agonist
- Molecular Formula
- C221H342N46O68
- Molecular Weight
- 4731.5 g/mol
- PubChem CID
- 171390338
- Research Code
- LY3437943
- Purity Standard
- ≥ 99% by HPLC
Storage Requirements
Storage & handling
Freeze for storageRefrigerate after reconstitutionProtect from light
Lyophilised (powder)
Long-term storage
Reconstituted
Use within 30 days
In transit
Stable at ambient temperature
Light protection
Keep vials in the carton, away from light
Sealed lyophilised vials are shipped at ambient temperature and are stable in transit. Reconstituted solution is short-dated and must be refrigerated.
Peer-reviewed literature
The research behind this compound, cited in full.
Every research claim on this page traces back to one of the 4 publications below.
- 01Coskun T. et al. (2022)LY3437943, a novel triple glucagon, GIP, and GLP-1 receptor agonist for glycemic control and weight loss: from discovery to clinical proof of concept.
- 02Jastreboff A. M. et al. (2023)Triple-Hormone-Receptor Agonist Retatrutide for Obesity — A Phase 2 Trial.
- 03Abouelmagd A. A. et al. (2025)Efficacy and safety of retatrutide, a novel GLP-1, GIP, and glucagon receptor agonist for obesity treatment: a systematic review and meta-analysis of randomized controlled trials.
- 04Katsi V. et al. (2025)Retatrutide — A Game Changer in Obesity Pharmacotherapy.
Important research notice
All Peak Haven peptides are sold strictly for research, laboratory, and educational purposes only. They are not approved for human consumption, veterinary use, or any therapeutic application.
All clinical trial data and research findings presented on this page are sourced from peer-reviewed journals and official publications. They are provided for educational reference only and should not be interpreted as medical advice or product claims.
By purchasing this product, you confirm that you are a qualified researcher and will use it in accordance with all applicable laws and regulations.
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