- Lab
- Janoshik Analytical (Third-Party)
- Test Date
- July 28, 2026
- Method
- HPLC + Mass Spec
- Sterility
- Not tested (purity and dose only)
- Endotoxin
- Not tested (purity and dose only)
About this compound
What Tirzepatide is
Tirzepatide is a synthetic 39-amino-acid peptide built on the GIP (glucose-dependent insulinotropic polypeptide) backbone and modified with a C20 fatty diacid side chain that binds albumin and extends its half-life in experimental systems. It is characterized in the literature as a dual agonist at the GIP and GLP-1 receptors.
Research literature studies tirzepatide in incretin receptor pharmacology, including in-vitro receptor binding and cAMP signaling assays, and in preclinical models of energy balance, glucose handling and body weight regulation.
Supplied as a lyophilized powder, 20mg per vial. Store sealed vials at -20°C, protected from light and moisture. For laboratory work the powder is reconstituted with bacteriostatic water or the buffer the protocol specifies; reconstituted material should be kept refrigerated and used within the stability window set by the research protocol.
For research use only. Not for human consumption, diagnostic, or therapeutic use.
Studied in research for
Research notes
- What it is. A 39-amino-acid synthetic peptide with a C20 fatty diacid side chain for albumin binding
- Why researchers study it. Dual GIP and GLP-1 receptor pharmacology and preclinical metabolic models
- What is interesting. Its backbone is based on GIP rather than GLP-1, which makes it a useful comparator against single-receptor agonists
GLP and Metabolic Peptides · 20mg
Tirzepatide
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Dual GIP and GLP-1 receptor agonist, 39 amino acids. Lyophilized powder. Research use only.
Independent third-party testing
Batch certification
- Testing laboratory
- Janoshik Analytical (Third-Party)
- Date of analysis
- July 28, 2026
- Method
- HPLC + Mass Spec
- Sterility
- not tested (purity and dose only)
- Endotoxin
- Not tested (purity and dose only)
LotEC-TIRZ20-2026-033
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Product details
Documented,
batch by batch.
What it is, how it is verified and how it ships. Every batch is tested by an accredited U.S. lab, and the certificate of analysis is published for anyone to read.
Description
Tirzepatide is a synthetic 39-amino-acid peptide built on the GIP (glucose-dependent insulinotropic polypeptide) backbone and modified with a C20 fatty diacid side chain that binds albumin and extends its half-life in experimental systems. It is characterized in the literature as a dual agonist at the GIP and GLP-1 receptors.
Research literature studies tirzepatide in incretin receptor pharmacology, including in-vitro receptor binding and cAMP signaling assays, and in preclinical models of energy balance, glucose handling and body weight regulation.
Supplied as a lyophilized powder, 20mg per vial. Store sealed vials at -20°C, protected from light and moisture. For laboratory work the powder is reconstituted with bacteriostatic water or the buffer the protocol specifies; reconstituted material should be kept refrigerated and used within the stability window set by the research protocol.
For research use only. Not for human consumption, diagnostic, or therapeutic use.
Each batch is produced under strict quality controls with HPLC verification and full COA documentation. Supplied for research use only.
- Lyophilized powder
- 20mg per vial
- GLP and Metabolic Peptides
Specifications
- Category
- GLP and Metabolic Peptides
- Form
- Lyophilized powder
- Amount
- 20mg per vial
- Purity
- HPLC verified (99.8% on the latest batch)
- Identity
- Mass spectrometry
- Testing lab
- Janoshik Analytical (Third-Party)
- Latest batch
- EC-TIRZ20-2026-033
- Date of analysis
- July 28, 2026
- Intended use
- Research use only
Lab results
Dual verification on every batch: HPLC for purity, mass spectrometry for identity.
Lab Results
Every batch is tested by an accredited independent lab for identity, purity, sterility, and endotoxin levels. Every certificate is published below. No login required.
- Lab
- Janoshik Analytical (Third-Party)
- Test Date
- July 02, 2026
- Method
- HPLC + Mass Spec
- Sterility
- Not tested (purity and dose only)
- Endotoxin
- Not tested (purity and dose only)
- Lab
- Janoshik Analytical (Third-Party)
- Test Date
- March 12, 2026
- Method
- HPLC + Mass Spec
- Sterility
- Not tested (purity and dose only)
- Endotoxin
- Not tested (purity and dose only)
- Lab
- Janoshik Analytical (Third-Party)
- Test Date
- March 11, 2026
- Method
- HPLC + Mass Spec
- Sterility
- Not tested (purity and dose only)
- Endotoxin
- Not tested (purity and dose only)
New lab reports appear within 24 hours of arriving from the lab.
Browse all lab resultsShipping and returns
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- Discreet packaging on every order.
- Ships in 1 to 2 business days. USPS Priority, U.S. delivery in 2 to 5 days.
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All products are for research use only. Not for human consumption.