Research Use Only

GLP-3 RT

(4.9) 363 Reviews

Retatrutide is a multi-receptor peptide investigated for its potential in metabolic health and weight management research.

$99.00 In Stock
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Every Batch Independently Tested


Tested by independent laboratories using HPLC and mass spectrometry to verify identity, purity and consistency before release.

Third-Party Tested Identity Verified Purity Confirmed

A synthetic triple-receptor research peptide supplied as a liquid for in-vitro laboratory study.

Key Specifications

  • Form: Pre-filled pen (liquid)
  • Molecular Formula: C316H481F3N94O101
  • Molecular Weight: ~6758.22 g/mol
  • Purity: ≥99.9% (HPLC Verified)
  • Storage: Refrigerate at 2–8°C

Disclaimer: All products sold by Peptin are intended solely for scientific research use in laboratory settings. They are not for human or veterinary use, nor should they be included in any food, drug, cosmetic, or therapeutic applications. These compounds have not been evaluated by the FDA. All sales are final. By purchasing, you confirm that you are a qualified researcher or institutional buyer and accept full responsibility for the safe and legal handling of these materials.

This product is intended for laboratory research use only. Not for human consumption.

30mg of Retatrutide per pen. 3ml total volume. Each click dispenses 0.01ml (0.1mg); 10 clicks equal a 1mg dose. 99%+ purity, third-party tested for identity and potency.

Each click = 0.01ml = 0.1mg. 10 clicks = 1mg dose. Store refrigerated at 2–8°C. Consult your research protocol for handling guidance.

Orders ship in discreet, insulated cold-chain packaging. Domestic delivery in 2–4 business days. See our Shipping & Returns policy for full details.

Available Sizes20mg, 30mg, 40mg
Purity>99% (HPLC verified)
FormPre-filled Pen (Ready-to-use Solution)
VerificationIndependent third-party HPLC + mass spectrometry testing
COA AccessBatch-specific Certificate of Analysis available on request — contact us with your lot number.

Storage: Store the pen refrigerated at 2–8°C, protected from light. Do not freeze. Discard 90 days after first use, or sooner per your research protocol.

This pen ships pre-filled and ready to use — no reconstitution is required. Before each use, confirm the solution is clear and colorless; do not use if it appears cloudy or discolored.

Prime the pen per the dosing instructions before first use, and always use sterile technique and appropriate PPE when handling. This product is supplied strictly for in vitro laboratory research — not for human or veterinary use.

A synthetic triple-receptor research peptide supplied as a liquid for in-vitro laboratory study.

Key Specifications

  • Form: Pre-filled pen (liquid)
  • Molecular Formula: C316H481F3N94O101
  • Molecular Weight: ~6758.22 g/mol
  • Purity: ≥99.9% (HPLC Verified)
  • Storage: Refrigerate at 2–8°C

Disclaimer: All products sold by Peptin are intended solely for scientific research use in laboratory settings. They are not for human or veterinary use, nor should they be included in any food, drug, cosmetic, or therapeutic applications. These compounds have not been evaluated by the FDA. All sales are final. By purchasing, you confirm that you are a qualified researcher or institutional buyer and accept full responsibility for the safe and legal handling of these materials.

This product is intended for laboratory research use only. Not for human consumption.

30mg of Retatrutide per pen. 3ml total volume. Each click dispenses 0.01ml (0.1mg); 10 clicks equal a 1mg dose. 99%+ purity, third-party tested for identity and potency.

Each click = 0.01ml = 0.1mg. 10 clicks = 1mg dose. Store refrigerated at 2–8°C. Consult your research protocol for handling guidance.

Orders ship in discreet, insulated cold-chain packaging. Domestic delivery in 2–4 business days. See our Shipping & Returns policy for full details.

Available Sizes20mg, 30mg, 40mg
Purity>99% (HPLC verified)
FormPre-filled Pen (Ready-to-use Solution)
VerificationIndependent third-party HPLC + mass spectrometry testing
COA AccessBatch-specific Certificate of Analysis available on request — contact us with your lot number.

Storage: Store the pen refrigerated at 2–8°C, protected from light. Do not freeze. Discard 90 days after first use, or sooner per your research protocol.

This pen ships pre-filled and ready to use — no reconstitution is required. Before each use, confirm the solution is clear and colorless; do not use if it appears cloudy or discolored.

Prime the pen per the dosing instructions before first use, and always use sterile technique and appropriate PPE when handling. This product is supplied strictly for in vitro laboratory research — not for human or veterinary use.

Verified Reviews

What Researchers Are Saying

5.0

Based on 363 verified reviews

5 100%
4 0%
3 0%
2 0%
1 0%
Daniel R.
Daniel R. Verified Buyer
12 May 2026

Solid packaging, clear paperwork

Everything arrived sealed and well protected, and the batch details matched the documentation exactly. Smooth from checkout to delivery — no surprises, which is exactly what I want.

Hannah T.
Hannah T. Verified Buyer
28 May 2026

Felt professional start to finish

Really impressed with how professional the whole experience felt. Ordering was simple, the parcel turned up quickly and well insulated, and everything was clearly labelled and easy to check against the paperwork. I've already recommended them to a couple of people.

Ellie W.
Ellie W. Verified Buyer
3 June 2026

Quick and sealed

Fast delivery, everything sealed and labelled properly. Faultless.

Sofia D.
Sofia D. Verified Buyer
19 June 2026

Did my research, no regrets

I compared a few suppliers before ordering and I'm glad I chose these. The certificate details lined up with the batch number, packaging was discreet and secure, and it arrived a day earlier than estimated. Nothing I'd change.

Chloe B.
Chloe B. Verified Buyer
1 July 2026

Really well packed

Turned up bang on time and packed really carefully. Nice to deal with a company that clearly takes labelling and paperwork seriously.

Craig M.
Craig M. Verified Buyer
9 July 2026

No fuss

Ordered, arrived sealed, on time. No complaints.

$99.00 In Stock

Research Use Only

For laboratory research purposes only. Not for human consumption.

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