Buy retatrutide

Buying retatrutide comes down to four formats: two lyophilised vials of 10 and 20 mg, and two pre-filled research pens of 20 and 40 mg. Every form arrives sealed, batch traceable and HPLC verified at a minimum of 99 percent purity. Below each format you will find the price per milligram, and that number holds a surprise.

The most expensive row is the cheapest one

Look at the table again. The 40 mg pen costs 250 euro, nearly three times the smallest vial, and works out at 6,25 euro per milligram against 9,00. Anyone going by the price at the front pays 44 percent more per milligram than someone who reads the last column.

The reason is not a discount. Filling a vial, sealing it, assigning a batch number and shipping it cold costs roughly the same whether it holds 10 or 40 milligrams. Those fixed costs spread across more material in a larger format.

Vial or pen

The lyophilised vial

A vial holds retatrutide as freeze-dried powder, reconstituted with sterile bacteriostatic water. That gives you full control over concentration, because you decide how much solvent goes in. The downside is that every reconstitution is a handling step, and handling steps introduce variation between sessions.

The pre-filled research pen

A pen holds a premixed sterile solution. Nothing is reconstituted and nothing is mixed, which removes that variation entirely. In protocols where measurements have to stay comparable over weeks, that is the deciding argument.

Why retatrutide sits apart in the GLP-1 class

Semaglutide acts on one receptor, GLP-1. Tirzepatide acts on two, GLP-1 and GIP. Retatrutide acts on three at once: GLP-1, GIP and the glucagon receptor. That is why the literature calls it a triple agonist, and why it is studied as a compound in its own right rather than a stronger version of the other two.

The third receptor is the distinguishing point. Where GLP-1 and GIP act mainly on satiety and glucose regulation, the glucagon receptor is described in the literature in connection with energy expenditure. A different point of action, not simply a stronger one.

What published research reports

The reference study is the phase 2 publication by Jastreboff and colleagues in the New England Journal of Medicine, 2023. It reports the most pronounced shifts in body composition of any compound in the GLP-1 class studied to that point. Published trials generally work in a range of 2 to 8 mg per week.

These are research findings from published literature. We give no protocol and no dosage.

How to judge a peptide supplier

The research peptide market is not regulated the way a pharmacy is. The difference between suppliers therefore lies entirely in what they can demonstrate, not in what they claim. Four points are enough.

A certificate per batch, not per product. A certificate attached to a product page rather than to your specific batch number tells you nothing about the vial in your hands. Ask for the batch number.

Two independent methods. HPLC shows purity, mass spectrometry confirms the compound is what the label says. HPLC alone is half the story. Karl Fischer titration measures water content on top of that, which is directly tied to how long the powder stays stable.

A cold chain that matches the distance. Lyophilised peptide tolerates room-temperature transport less well the longer it lasts. A shipment weeks in transit from another continent is a different product than the same powder that stayed within the EU.

A payment method that leaves a trail. Wero, credit card, Apple Pay and Google Pay all do. Suppliers who accept only crypto deliberately avoid that.

What is in the package

• The sealed vial or pen in your chosen format, batch traceable
• Protective cold packaging, cold chain within the EU
• Discreet outer packaging with no reference to the contents
• Certificate of analysis on request, tied to your batch number

We do not include bacteriostatic water or needles. That is deliberate: we sell the research compound, not the accessories.

Reconstitution and storage

Sealed vials are stored refrigerated at 2 to 8 degrees, protected from light. After reconstitution with 1 ml of sterile bacteriostatic water the material stays stable for 28 days refrigerated. The pen holds a premixed solution and is stored the same way, with nothing to add.

Paying from anywhere in the EU

You complete your order first. You then reach a secure payment page showing the exact amount and your order number, where you choose how to pay: Wero, credit card, Apple Pay or Google Pay. Which methods appear depends on the country you are paying from. No card number is entered on our site.

Shipping and customs across Europe

We ship from within the EU with cold chain. For any EU destination that means no customs clearance, no import duty and no gap in temperature control. Sunday is the only day we do not ship. Above 200 euro shipping is free.

One thing worth stating plainly, because it comes up constantly in English searches: the United Kingdom is no longer in the EU. A shipment there goes through customs clearance with a delay we cannot control, and a customs depot is not a cold room. The same applies to Switzerland and Norway. We say this before you order rather than after.

Research use only

What we supply are research compounds for laboratory use. They are not a medicine, are not sold as one, and are not intended for human consumption. That distinction is the entire legal point: a research compound falls under different rules than an approved medicinal product.

For that reason we give no dosage, no protocol and no usage advice. What we do give is documentation.

Frequently asked questions

Which format is cheapest per milligram?

The 40 mg pen at 6,25 euro. Then the 20 mg vial at 8,50, the 10 mg vial at 9,00 and the 20 mg pen at 10,00.

Do you ship retatrutide to the UK?

The UK is no longer in the EU, so a shipment there goes through customs clearance with a delay we cannot control.

Do I pay customs within the EU?

No. The shipment stays inside the EU, so there is no customs handling and no import duty.

What is the difference between a vial and a pen?

The vial holds freeze-dried powder you reconstitute yourself, giving you control over concentration. The pen holds a premixed solution and is ready to use.

How does retatrutide differ from tirzepatide?

Retatrutide adds a third receptor, glucagon, making it a triple agonist. Tirzepatide stops at two.

Do I need a prescription?

No. A prescription belongs to a medicinal product, and this is a research compound for laboratory use.

How can I pay?

With Wero, credit card, Apple Pay or Google Pay, depending on the country you are paying from.

Do I get a certificate of analysis?

Yes, on request and tied to the batch number on your vial or pen.

How do I store it?

Refrigerated at 2 to 8 degrees Celsius, protected from light. Reconstituted material stays stable for 28 days.

What may I use this for?

Laboratory research only. Not for human consumption, not a medicinal product and not for diagnostic use.

For research purposes only. Not for human consumption. Not a medicinal product. Not for diagnostic use.

Research disclaimer▾

Alle informatie op deze pagina is bedoeld voor laboratoriumonderzoek en in-vitro studies. Geen humane consumptie. Geen medische claims. Producten zijn niet goedgekeurd door EMA of FDA voor therapeutisch gebruik.