1 vial 3 mL Bacteriostatic Water included
1 vial 3 mL Bacteriostatic Water included
Dosage examples are for research-reference only. Not medical advice and not personal recommendation
Retatrutide
Triple action · Weight loss · Visceral fat · Appetite control
Independently lab tested
99%+ Purity Target
Identity verified by LC-MS
- Tracked delivery
Batch COA available
Secure Checkout
Dispatched in 1-2 business days
What Retatrutide is used for.
Retatrutide is a once-weekly triple-receptor peptide (GLP-1, GIP, and glucagon) studied for major weight reduction. Research looks at it for appetite control, body-fat loss, and metabolic health. It's one of the most talked-about compounds in weight-loss research, and the one most people start with.
Certificate of Analysis available for every batch.
Secure checkout • Fast EU dispatch • Research Use Only
Secure checkout
Fast EU dispatch
How much Retatrutide does a research schedule need?
The weekly amount steps up every 4 weeks, then holds from week 13.
Totals follow the 2, 4, 8 and 12 mg weekly escalation of the 12 mg group in the 48-week Phase 2 trial (Jastreboff AM et al., N Engl J Med 2023). The 1-year total extends the 12 mg weekly amount to week 52. For research reference only, not medical advice.
About the Product
What Retatrutide is used for.
Retatrutide is a once-weekly triple-receptor peptide (GLP-1, GIP, and glucagon) studied for major weight reduction. Research looks at it for appetite control, body-fat loss, and metabolic health. It's one of the most talked-about compounds in weight-loss research, and the one most people start with.
- Peptide size: 39 amino acids
- Category: Weight Loss & Metabolic
What the research says
- Retatrutide is studied in clinical research as a triple-receptor agonist for weight reduction.
- Lyophilized research peptides of this class are valued for stability and consistent reconstitution.
- Independent third-party testing confirms batch-level purity before release.
Laboratory research only. Not for human or veterinary use.
Storage Guidelines
To maintain product integrity, proper storage conditions are recommended throughout handling and use.
Unreconstituted (lyophilized) peptide
- Store at 2–8°C (in the fridge) for short-term use
- For extended storage, keep at -20°C or below (in the freezer)
- Protect from direct light and moisture
Reconstituted solution
- Store at 2–8°C and use within a limited timeframe
- For longer-term storage, aliquoting and freezing at -20°C is recommended
- Avoid repeated freeze-thaw cycles, as this may affect peptide stability
Certificate of Analysis
Independently tested by Freedom Diagnostics · United States 🇺🇸

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Tracked delivery across Europe.
Orders are typically dispatched within 1-2 business days. Most European deliveries arrive in 3-5 business days.
- Discreet, secure packaging
- Secure checkout and protected payment
- Carefully handled dispatch
- Batch documentation available for every order
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More research peptides from the uu.life catalog.
Customer reviews

I messaged the team with a question before placing my Retatrutide order and got a clear reply within the hour. Checkout was simple after that and the parcel shipped promptly.

Choosing my Retatrutide was simple thanks to a well-organised product page with the strengths clearly set out. Checkout was quick and the parcel showed up carefully packed.

Everything was packed firmly with the vial cushioned in the centre, so nothing shifted on the way. My Retatrutide reached me intact despite the box picking up a few scuffs.

I had a question before ordering my Retatrutide and support came back within the hour with a clear answer. The order went through fine and the parcel turned up well packed.

Had a shipping question before buying and support replied fast with exactly the detail I needed. My Retatrutide order then went through cleanly and arrived well packaged.

Really impressed by how well this was packed. The Retatrutide vial was cushioned properly and arrived intact, with the outer box giving nothing away about the contents.

Even with the cold snap this week, my Retatrutide arrived well insulated inside sturdy packaging and the vial was in perfect condition. Delivery stayed right on time.

The Retatrutide listing laid out the strength and options plainly, so ordering the right one took no guesswork. It arrived a few days later, sealed and neatly boxed.

Retatrutide came in packaging that felt considered rather than bulky, with snug protection and nothing wasted. The vial was sealed and the label perfectly legible.

The delivery estimate was accurate and tracking was easy to follow. The packaging was secure, the label was readable, and the correct strength arrived as ordered.

Ordered in the middle of a cold snap and had no worries. Retatrutide came packed with a cold pack and insulation, sealed and undamaged after two days in transit.

From dispatch to my door, the tracking on my Retatrutide stayed accurate at every step. The box gave nothing away and the contents were protected well.

The vial, label, and packaging all feel carefully finished. Delivery to Italy was quick and smooth, and the outer parcel was completely discreet.

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The pen looked sharp and was straightforward from day one. It gave the routine a more polished feel. I ate less without feeling deprived.

I personally understand the appeal. My waist and face showed it more than the scale.

Better than most orders I’ve tried. Long work days made the difference clearer.

Clear labels made it easy to organize in the fridge.
Frequently Asked Questions
Answers to common questions about uu.life products, regulatory positioning, and laboratory use.
Yes. Each production batch undergoes High Performance Liquid Chromatography (HPLC) purity testing, mass spectrometry peptide identity verification and full batch traceability documentation. A Certificate of Analysis is available for every lot.
Store at 2–8°C in the fridge for short-term use, or at -20°C or below in the freezer for extended storage. Avoid repeated freeze-thaw cycles.
uu.life currently fulfills orders across most of Europe. Our fulfillment locations remain private for operational and security purposes. If you are unsure whether we deliver to your country, contact support before ordering and we will confirm availability.
Yes. A Certificate of Analysis (COA) is available for every batch, documenting HPLC purity testing, mass spectrometry identity verification and full batch traceability. Available upon request to qualified research entities.
Every production batch undergoes High Performance Liquid Chromatography (HPLC) purity testing, mass spectrometry peptide identity verification, and is logged with full batch traceability documentation.





