COA Verified

LEAN · Compound 01

Retatrutide

Name: Retatrutide
Brand: ONE%
SKU: PEP-RETA-10
Price: 95 EUR
Availability: InStock

Triple-receptor agonist, GLP-1 / GIP / glucagon

Retatrutide is an investigational triple-receptor agonist engaging the GLP-1, GIP, and glucagon pathways at once, the compound behind some of the most closely-watched metabolic research of the decade.

Limited supply

€95 Vial · 10mg · 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

Dose10mg

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

Retatrutide represents the current frontier of incretin research: a single synthetic peptide engineered to activate three metabolic receptors at once, GLP-1, GIP and glucagon. Where earlier compounds engaged one or two of these pathways, its triple-agonist design lets researchers probe how they behave when stimulated in concert.

That breadth is exactly what has made it one of the most closely watched molecules in metabolic science. The glucagon arm, layered on top of the incretin effect, opens questions about energy expenditure that dual agonists cannot reach, which is why comparative protocols increasingly treat Retatrutide as the reference point.

For a compound this pharmacologically busy, material fidelity is everything: a single impurity or a mislabelled strength can quietly skew results across three separate pathways. Every ONE% batch is identity-confirmed and purity-verified by Janoshik before release, so dosing stays consistent between studies.

Mechanism In Brief

Retatrutide binds and activates the GLP-1, GIP and glucagon receptors simultaneously, combining incretin-driven glucose regulation with glucagon-mediated energy signalling.

Areas Of Research Interest

Glucose regulation, insulin and glucose-handling under triple-receptor load
Appetite & satiety, central and peripheral energy-intake signalling
Energy expenditure, the glucagon contribution to metabolic rate
Comparative agonism, head-to-head with single and dual agonists
Body composition, lean-versus-fat-mass models over time

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. Retatrutide 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 Retatrutide 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.