Retatrutide
Price range: $165.00 through $247.50 incl. GST
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For research use only · Not for human consumption · 18+
Last reviewed:
Research overviewBackground, context and references
What is Retatrutide?
Retatrutide (also written Reta) is a synthetic peptide investigated in metabolic research as a single-molecule agonist at three receptors — GLP-1, GIP, and glucagon. That triple-receptor profile has made it one of the most closely studied compounds in recent receptor-signalling literature. Lazarus Labs supplies Retatrutide for laboratory and analytical research in Australia at ≥ 99 % purity, with a certificate of analysis for every lot. For research use only — not for human or veterinary use.
Research context
Retatrutide belongs to the incretin-mimetic class of research peptides, alongside compounds such as semaglutide and tirzepatide. Where those molecules act at one or two receptors, retatrutide is studied for its simultaneous activity across the GLP-1, GIP, and glucagon pathways — a mechanism laboratories examine in receptor-binding, signalling, and comparative metabolic studies. It is supplied strictly as a reference material for that work.
Specifications
- Available sizes: 10 mg and 20 mg vials
- Purity: ≥ 99 %, confirmed by HPLC and LC-MS
- Form: white lyophilised powder
- Solubility: readily soluble in water (H₂O)
- Manufacturing: GMP-compliant, ISO 9001:2008
- Documentation: third-party certificate of analysis per lot
- Intended use: in-vitro and laboratory research only
Quality & documentation
Every lot of Retatrutide is produced in a GMP-compliant, ISO-certified facility and independently verified by a third-party laboratory. The certificate of analysis for your exact batch reports HPLC purity and LC-MS identity, so results stay traceable and reproducible — the standard of documentation that comparative and quantitative research depends on. New to this compound? Our Retatrutide research overview covers the published literature and receptor pharmacology in more depth.
Handling & storage
Store sealed and dry at 2–8 °C. After reconstitution, keep prepared solution refrigerated and follow your laboratory’s own handling, stability, and disposal procedures. Retatrutide is supplied for research use only and is not for human or veterinary use.
Dispatch & supply in Australia
Retatrutide ships from within Australia with tracked delivery, so research groups receive material quickly and in appropriate packaging. Every order includes the matching certificate of analysis.
Read the citation-backed research overview →
Cited research
- Coskun T, Urva S, Roell WC, et al Cell Metabolism. 2022. PMID: 35985340.
- Jastreboff AM, Kaplan LM, Frías JP, et al New England Journal of Medicine. 2023. PMID: 37366315.
- Li W, Zhou Q, Cong Z, et al Cell Discovery. 2024. PMID: 39019866.
- Katsi V, et al Biomolecules. 2025. PMID: 40563436.
Primary literature, verified against PubMed. Cited for scientific reference only — no human-use indication is implied.
For in-vitro research and laboratory use only · Not for human or animal consumption · Not a therapeutic good · 18+
- Size
- 10MG, 20MG
- Compound
- Retatrutide
- Form
- Lyophilised powder
- Purity
- ≥99% (HPLC)
- Testing
- Third-party COA
- Storage
- Cold, dark, sealed
- Reconstitution
- Bacteriostatic water
- Use
- Research use only
Certificate of Analysis — batch-matched
- Identity
- ✓ Verified
- Purity (HPLC)
- ✓ ≥99%
- Quality
- ✓ Pass
- Integrity
- ✓ Pass
Match the batch on your vial.
Every product has a published Certificate of Analysis, and Lazarus-tested reports carry the batch reference printed on your vial. Check identity, purity, quality and integrity before you buy — no account needed to view.
Open full COA libraryDispatch & delivery
Most orders are processed and dispatched within 1 business day, with a confirmation email and tracking sent the moment your order ships. Orders go via express delivery — generally arriving in 2–3 business days once dispatched. Free express shipping unlocks on orders over $300 and is dispatched within 24 hours.
Delivery times can vary slightly by location and courier. Occasional delays may occur around public holidays, courier disruptions, or high-volume periods.
Lost, damaged & returns
If your order arrives damaged or tracking shows an issue, contact us within 7 days with your order number, photos, and any tracking details. We'll always make right any error on our end.






