COA Verified

LEAN · Compound 02

Tirzepatide

Name: Tirzepatide
Brand: ONE%
SKU: PEP-TIRZ-20
Price: 95 EUR
Availability: InStock

Dual GLP-1 / GIP receptor agonist

Tirzepatide is a dual-receptor agonist acting on both GLP-1 and GIP pathways, one of the most extensively studied incretin peptides in modern metabolic research.

Limited supply

€95 Vial · 20mg · per unit, excl. shipping

Every order includes ultra-fine injectable needles and alcohol swabs, the smallest gauge, highest-grade, ready to use.

UPS Standard · €193-5 days, all EU

UPS Express · €2924-48 hours across the EU

Tracked, cold-chain and discreetly packaged. Choose your speed at checkout.

CategoryLEAN · Body Composition

FormatVial

In The BoxNeedles + alcohol swabs

Dose20mg

DeliveryUPS Standard 3-5 days · UPS Express 24-48h

Purity Target>99%

Also: request a COA or a wholesale quote.

Third-party testedCOA per batchCold-chain EU shippingDiscreet packaging

Add the instrument ONE% Pen Reusable machined aluminium. Buy once, it works with any compound.

€49

Complete the kit ONE% Cartridges · 5-pack Sterile replacement cartridges for the ONE% Pen.

€39

Research Overview

Tirzepatide packs two of the body’s own incretin signals, GLP-1 and GIP, into one molecule, and in doing so it redrew the map of metabolic research almost overnight. The dual-receptor approach captures more of the natural post-nutrient response than a GLP-1 agonist alone.

Its appeal to researchers is the balance it strikes: two complementary receptors, a well-characterised profile, and a stability that makes it forgiving to work with at the bench. That combination has produced one of the largest and fastest-growing bodies of literature in the incretin field.

Comparative work only holds up when the material does. Because so many protocols place Tirzepatide side by side with other agonists, vial-to-vial consistency is non-negotiable. ONE% verifies every batch to the same >99% purity target, so the variable under study is the biology, not the supply.

Mechanism In Brief

Tirzepatide is a dual agonist of the GLP-1 and GIP receptors, engaging both incretin pathways to modulate glucose handling and satiety signalling.

Areas Of Research Interest

Glucose homeostasis, dual-incretin control of blood-glucose dynamics
Incretin comparison, GLP-1-only versus GLP-1/GIP response
Body composition, fat- and lean-mass research models
Receptor affinity, binding behaviour across both receptors
Metabolic adaptation, longer-run signalling and tolerance

Handling & Reconstitution

Every ONE% compound ships as a lyophilised powder for stability in transit. Reconstitute with bacteriostatic water to the concentration your protocol requires, store at 2–8°C protected from light, and use within your laboratory’s validated window. Each vial is batch-referenced to its Janoshik Certificate of Analysis, available on request.

Compound FamilyIncretin / metabolic peptide

FormLyophilised powder

PresentationSingle sealed vial

ReconstitutionBacteriostatic water

Storage2–8°C, protect from light

Important

For research and laboratory use only. Tirzepatide is supplied strictly as premium-grade research material with a batch Certificate of Analysis. It is not a drug, supplement, food, or cosmetic, and is not intended for human or veterinary use, diagnosis, treatment, or the prevention of any condition. All statements describe published research directions only.

Good To Know

Common Questions.

It ships as a lyophilised (freeze-dried) powder. In the lab it's reconstituted with bacteriostatic water to the concentration your protocol requires. Kept sealed, cold and dark, it stays stable until you need it.

Sealed at 2–8°C, protected from light. As a lyophilised powder it's stable in transit; once reconstituted, follow your laboratory's validated window.

No, every compound ships as a lyophilised vial and is reconstituted in the lab. The ONE% Pen is a separate reusable instrument for laboratories that want repeatable, graduated delivery instead of drawing by syringe each time. Buy it once; it is not tied to any one compound.

Every vial carries a batch code. Enter it on our batch verification page to pull up that batch’s Certificate of Analysis, or ask us for the certificate before you order, we would rather you check than take our word for it.

It is the target every batch of Tirzepatide is held to, measured by HPLC at Janoshik and reported on the COA as a percentage of the total peptide content. Identity is confirmed separately by mass spectrometry. A purity figure without a named method and a batch reference behind it is marketing, not data.