Description
What Is Tirzepatide?
Tirzepatide is a synthetic 39-amino-acid dual GIP/GLP-1 receptor agonist (MW: 4,813 Da, CAS: 2023788-19-2). The first dual incretin to activate both GIP and GLP-1 receptors simultaneously. SURMOUNT-1 reported 20.9% mean weight reduction; SURPASS-2 showed superiority over semaglutide. HPLC-verified at 99%+ purity with publicly available COA.
Why Researchers Choose Tirzepatide
- Dual GIP/GLP-1 receptor agonist — the only “Twincretin” for dual-pathway metabolic research
- Novel imbalanced agonism mechanism under active investigation in published literature
- ≥99% purity verified via independent third-party HPLC and mass spectrometry
- 10mg lyophilized format for precision research into synergistic incretin signaling
- Key comparator compound alongside Semaglutide and Retatrutide in metabolic research
Frequently Asked Questions
What is Tirzepatide and what research applications does it support?
Tirzepatide is a dual agonist targeting both GIP and GLP-1 receptors simultaneously, often referred to as a “Twincretin.” It is investigated in research protocols examining synergistic effects on glycemic control, lipid metabolism, and energy homeostasis. This compound is sold strictly for laboratory research purposes only.
How do I reconstitute Tirzepatide for laboratory use?
Add 2mL of bacteriostatic water to yield a concentration of 5mg/mL. Follow standard reconstitution research protocols. For detailed instructions, see our Reconstitution 101 guide.
What purity verification does Peptideware provide for Tirzepatide?
Every batch of Tirzepatide undergoes independent third-party HPLC testing confirming ≥99% purity, along with mass spectrometry confirmation. A Certificate of Analysis (COA) is available for each lot.
How should I store Tirzepatide?
In lyophilized form, store at -20°C for long-term storage or 2-8°C for short-term storage. Once reconstituted for research, store at 2-8°C and use within 28 days.
How does Tirzepatide differ from Semaglutide and Retatrutide?
Tirzepatide targets 2 receptors (GIP + GLP-1), Semaglutide targets 1 (GLP-1 only), and Retatrutide targets 3 (GLP-1 + GIP + GCGR). Each compound offers a different receptor activation profile for different metabolic research models.
What published research exists on Tirzepatide?
Published research is available on PubMed covering dual incretin signaling, body composition analysis, and metabolic homeostasis in preclinical research contexts.
Can Tirzepatide be used in comparison research?
Yes. Tirzepatide is a key comparator alongside Semaglutide (single agonist) and Retatrutide (triple agonist) in incretin research protocols. All three compounds are available at Peptideware for comprehensive research.
Further Reading
Mechanism: Dual GIP & GLP-1 Receptor Agonism
Tirzepatide is engineered to function through a unique pharmacological principle known as “Imbalanced Agonism.” Unlike a balanced 1:1 ratio, Tirzepatide exhibits a specific binding affinity bias that is central to its potency:
-
GIP Receptor Bias: It binds with high affinity to the GIP receptor, comparable to native GIP.
-
GLP-1 Receptor Interaction: It binds with lower affinity to the GLP-1 receptor compared to native GLP-1.
The Synergistic Outcome: Research suggests this specific “imbalance” is key to its efficacy. By heavily recruiting the GIP pathway while simultaneously stimulating GLP-1 pathways, Tirzepatide is observed in preclinical models to produce metabolic outcomes—such as reductions in adiposity and improvements in insulin sensitivity—that statistically surpass those of mono-agonists (like Semaglutide) alone.
This research peptide undergoes rigorous quality control and stability testing to ensure maximum integrity for scientific applications. Each batch is manufactured under strict laboratory conditions and verified through independent laboratory analysis.
⚠️ FOR RESEARCH PURPOSES ONLY
This product is strictly for in-vitro laboratory research, analysis, and development. It is not intended for human consumption, injection, or therapeutic use. Tirzepatide is not a drug, dietary supplement, or food. All statements regarding the physiological mechanisms of Tirzepatide are based on preclinical animal and cell-culture studies and are provided for educational and informational purposes only.
hemical Profile: The C20 Modification
Structurally, Tirzepatide is a 39-amino acid linear peptide analogue of the gastric inhibitory polypeptide (GIP).
-
The C20 Fatty Diacid Moiety: The critical structural modification is the attachment of a C20 fatty diacid moiety via a hydrophilic linker.
-
Pharmacokinetic Impact: This fatty acid chain promotes high-affinity binding to plasma albumin. This albumin binding acts as a reservoir, protecting the peptide from enzymatic degradation and renal filtration, resulting in an extended half-life of approximately 5 days (116.5 hours) in research subjects.
Technical Specifications
| Specification | Detail |
| Research Code | LY3298176 |
| Sequence Length | 39 Amino Acids (Linear) |
| Modification | C20 Fatty Diacid Acylation |
| CAS Number | 2023788-19-2 |
| Formula | C₂₂₅H₃₄₈N₄₈O₆₈ |
| Molar Mass | 4813.45 g/mol |
| Purity | ≥99% (HPLC Verified) |

















