In stock🧪 Certificate with every lotSynthos Reta 10 mg
Weight management

Reta 10 mg

Retatrutide

Triple GLP-1 / GIP / glucagon receptor agonist, 10 mg lyophilised peptide vial.

€89€0 today. Pay after a quick
confirmation call · ships in 1–2 days
1
Read the full Reta guide
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🇪🇺Ships from the EU, no customs in the EU
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Overview

Retatrutide is a next-generation triple agonist acting on the GLP-1, GIP and glucagon receptors, often nicknamed “GLP-3”. In a 48-week phase 2 trial published in the New England Journal of Medicine (2023), the highest dose was associated with an average 24.2% reduction in body weight. Phase 3 TRIUMPH trials reporting in 2025–2026 found average losses of up to 28.7% on the top dose. It is still under clinical investigation and not yet approved. This is the 10 mg lyophilised (freeze-dried) peptide in a sealed vial, for reconstitution with bacteriostatic water.

Read our full research review →
Research focus
  • Appetite and satiety signalling
  • Energy expenditure via the glucagon receptor
  • Comparison with single and dual agonists
Specifications
CompoundRetatrutide
Amount10 mg
FormLyophilised (freeze-dried) powder in a sealed vial
In the boxOne sealed 10 mg vial of lyophilised retatrutide.
QualityIndependent lab test, certificate of analysis per lot
StorageBefore reconstitution: 2–8 °C, dry and protected from light
UseLaboratory research only
Shipping & payment

Tracked shipping worldwide from inside the EU: 2–5 working days with no customs inside the EU, usually 5–12 working days elsewhere. Nothing is charged online: a representative contacts you within 24 hours to confirm your order, then you pay by card, bank transfer or a local method. More details

For laboratory research use only. Not a medicine and not for human or veterinary use. Not approved by the EMA, FDA or any other regulator. Sold to adults 18+.

2005ExenatideGLP-12010LiraglutideGLP-12017SemaglutideGLP-12022TirzepatideGIP + GLP-12027?RetatrutideGIP + GLP-1 + glucagon
The research behind this product

From a Gila monster's saliva to triple agonists: how weight-loss peptides evolved

A gut hormone that lasts two minutes, a lizard peptide that lasts for hours, and three decades of chemistry. The story of GLP-1 drugs, and why "GLP-3" is a nickname rather than a hormone.

Read the review 6 min read · 10 references
How ordering works

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    Name and phone at checkout, about 30 seconds.

  3. We call you

    Within 24 hours, by phone or WhatsApp. Ask for the lot certificate.

  4. Pay & receive

    Card, transfer or a local method. Tracked box from the EU.

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