Retatrutide 20 mg — triple agonist GLP-1 / GIP / glucagon (enhanced dosage)
Le Retatrutide 20 mg (LY3437943) is the version atreinforced dosageof the triple agonist GLP-1 / GIP / glucagon. Lyophilized vial, intendedexclusively for laboratory researchoffered at the direct PeptiLine price.
Product features
- Compound :Retatrutide (LY3437943), GLP-1/GIP/glucagon triple agonist
- Quantity :20 mg per vial, lyophilized (enhanced dosage)
- Purity:99.45% measured by HPLC (Janoshik, report #241205)
- Quality control:Independent COA per batch
Scientific context
Like the 10 mg version, Retatrutide 20 mg acts simultaneously on GLP-1, GIP, and glucagon receptors. The more concentrated vial offers greater flexibility for research protocols requiring larger quantities.
Laboratory reconstruction
The freeze-dried powder is reconstituted withbacteriostatic waterAdd slowly against the side of the bottle without vigorous shaking. After reconstitution, the solution should be stored in a refrigerator, protected from light. Handling should only be carried out by qualified laboratory personnel using appropriate sterile equipment.
Quality & traceability
Each batch is analyzed byHPLCand accompanied by aCertificate of Analysis (COA)Independent certification attesting to a purity of 99.45%. Batch traceability guarantees the reproducibility expected in a research context.
Direct delivery & pricing
PeptiLine sells indirectDirect sales, without intermediaries: this allows for a price below market value. The batches are in stock in France.delivered in 3 to 5 business daysSame product, same analytical quality, direct price.
Frequently Asked Questions
What is the difference with Retatrutide 10 mg?
This is the same compound (LY3437943, triple agonist) but in a 20 mg vial, i.e. a reinforced dosage for protocols requiring more peptide.
Is the product analyzed?
Yes. Each batch is analyzed by HPLC (latest published report: 99.45%) and accompanied by an independent Certificate of Analysis (COA) specific to the batch.
In what form is it delivered?
In the form of a freeze-dried powder in a sealed bottle, to be reconstituted with bacteriostatic water.
What is the delivery time?
3 to 5 business days. Shipping within 24 to 48 hours from our stock in France, with tracking number.
What is this product intended for?
For scientific research in the laboratory only. It is not intended for human or animal consumption.
Product intended exclusively for scientific laboratory research. Not intended for human or animal consumption, nor for medical, veterinary, or therapeutic use. Sale strictly reserved for adults (18 years and older).
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- Guide to the Retatrutide— the peptide, its mechanism and the state of research
- Recognizing a reliable supplier— 7 checks to avoid a fake R3
- Kit retatrutide— what each pack contains and the price per mg
- Retatrutide conservation— powder, reconstituted solution and transport
- Delivery of retatrutide— Delivery times, tracking, customs and countries served
- Retatrutide or tirzepatide— mechanisms and results of comparative trials, with cagrilintide
- Reconstitute a lyophilized peptide— the step-by-step manipulation in the laboratory
- Certificates of analysis— the Janoshik reports for each batch, with their key




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