Name: Tirzepatide 15mg (10 Vials / Kit)
Brand: HK Peptide
SKU: HK-TR15
Price: 100.00 USD
Availability: InStock

What is Tirzepatide?

Tirzepatide is a 39-amino-acid synthetic peptide built on the native GIP backbone and engineered to also activate the GLP-1 receptor, with a fatty-diacid modification that binds albumin and extends its half-life to roughly five days. It is the active ingredient in approved medicines used for type 2 diabetes and chronic weight management.

How it is understood to work

By engaging both incretin receptors, tirzepatide is studied for enhancing glucose-dependent insulin secretion, suppressing glucagon release and slowing gastric emptying, with GIP-receptor activity proposed to add effects on adipose-tissue lipid handling beyond what GLP-1 agonism alone produces.

Research status

Tirzepatide has completed large clinical trials supporting its approval for type 2 diabetes and obesity, and continues to be studied for metabolic dysfunction-associated liver disease, cardiovascular risk and other endpoints, giving it a considerably deeper clinical evidence base than most experimental peptides. Research-grade material sold here is intended for laboratory study rather than the clinical product.

This listing: HK Peptide Tirzepatide

Brand: HK Peptide
Kit: 10 vials × 15 mg (150 mg in total)
Price per vial: $10.00
Price per mg: $0.67
Other strengths: 5mg $50.00 · 10mg $75.00 · 20mg $130.00 · 30mg $155.00 · 40mg $220.00 · 45mg $250.00 · 50mg $275.00 · 60mg $300.00
Also sold by: TFC Peptides 15mg $70.00 · Uther Peptide 15mg $100.00 · Zhejiang Peptide Co. Tirzepatide $175.00 · Lilipeptide Tirzepatide $47.00 · TFC Peptides 100mg $280.00 · Core Peptides 10mg $45.00

Lab testing

HK Peptide published a Janoshik #114378 report for this compound. Test: Purity & Content (HPLC). Result: 99.86% purity · 134.15 mg. Tested Mar 12, 2026. The vial tested was a different strength than this listing, so treat it as evidence for the compound and ask for the batch COA for this exact strength. Verification key LY9VV176Q9HS can be checked at janoshik.com.

View the report · How to read it (Testing 101) · Every report for this compound

Bought through escrow: the brand is only paid after you confirm delivery. If the parcel never arrives, or an independent test shows the wrong compound or a significant under-fill, open a claim before releasing payment.

Specifications

Compound: Tirzepatide
Also known as: LY3298176
Class: Dual GIP / GLP-1 receptor agonist
Form: Lyophilized (freeze-dried) powder
Per vial: 15mg
Molecular formula: C₂₂₅H₃₄₈N₄₈O₆₈
Molecular weight: 4813.5 g/mol
Stated purity: ≥99% (HPLC)
Appearance: White lyophilized powder

Handling & storage

Supplied as a lyophilized powder; store unopened vials at -20 C protected from light, and after reconstitution with bacteriostatic water keep refrigerated and use within the timeframe set by the study protocol.

Concentration check: adding 2 ml of bacteriostatic water to one 15 mg vial gives 7.5 mg/ml. The Research Lab calculator in your dashboard works this out for any volume.

Questions

Is research-grade tirzepatide the same molecule as the prescription drug?

The active peptide sequence is the same, but the prescription product is manufactured, formulated and quality-tested under pharmaceutical regulatory standards for clinical dosing, while research-grade vials are intended strictly for laboratory use.

How does tirzepatide’s dual mechanism differ from a GLP-1-only agonist?

A GLP-1-only agonist activates just one incretin receptor, while tirzepatide adds GIP-receptor engagement, which researchers study as a source of additional effects on lipid metabolism and insulin sensitivity beyond GLP-1 activity alone.

How much Tirzepatide is in this kit?

10 vials of 15 mg each, so 150 mg in total. The lab testing section above shows what the brand’s tested vial actually contained.

For laboratory research use only. Not for human or veterinary use. Nothing on this page is medical advice.