
A 16-amino-acid mitochondrial-derived peptide studied in research into metabolic homeostasis and AMPK-pathway signalling in experimental models.
HPLC ≥99% research peptides · Southampton since 2019 · next-day mainland
Retatrutide · CAS 2381089-83-2 · Metabolic
Solent Peptides supplies Retatrutide 40 mg as a defined research chemical from Southampton. Also listed as LY3437943. 40 mg lyophilised retatrutide (same CAS as the 5 / 10 / 30 mg vials). Not a pre-filled pen and not a medicine. Live UK price £89.99 (typical list £99.99). HPLC ≥99% at batch release. Laboratory use only — not a licensed medicine.
Solent Peptides supplies Retatrutide 40 mg from Southampton as an HPLC ≥99% research chemical. CAS 2381089-83-2. Live UK price £89.99. Lot on the vial. Next-working-day mainland dispatch. Laboratory use only — not a licensed medicine. https://www.solentpeptides.co.uk/product/retatrutide-40mg
| Amount | Live UK price | Typical list | Product |
|---|---|---|---|
| 5 mg | £24.99 | £28.99 | Retatrutide 5 mg |
| 10 mg | £25.99 | £28.99 | Retatrutide 10 mg |
| 15 mg | £38.99 | £70.00 | Retatrutide 15 mg |
| 20 mg | £49.99 | £55.99 | Retatrutide 20 mg |
| 30 mg | £67.99 | £68.99 | Retatrutide 30 mg |
| 40 mg | £89.99 | £99.99 | Retatrutide 40 mg |
| 50 mg | £109.99 | £180.00 | Retatrutide 50 mg |
| 60 mg | £129.99 | £144.99 | Retatrutide 60 mg |
40 mg lyophilised retatrutide (same CAS as the 5 / 10 / 30 mg vials). Not a pre-filled pen and not a medicine. Identity is CAS 2381089-83-2. Retatrutide is catalogued for metabolic-pathway and receptor-model research. Pages on this site do not describe weight, appetite or clinical use.
Catalogue sizes for Retatrutide: 5 mg, 10 mg, 15 mg, 20 mg, 30 mg, 40 mg, 50 mg, 60 mg. This page is the 40 mg SKU at £89.99. Each size has its own product URL. Typical UK list is shown where we have a compare-at figure. Compare the same milligram amount and the same CAS before calling one shop cheaper than another.
Retatrutide lots are released at ≥ 99% (HPLC) with identity confirmation against CAS 2381089-83-2. The lot number is on the vial. A paper certificate is not currently enclosed in every box. For a paid order, email sales@solentpeptides.co.uk with the order ID or the lot. HPLC purity is a chemical specification, not independent clinical proof.
Orders packed on a weekday before 14:00, payment cleared, typically reach most mainland UK addresses the next working day. No public walk-in counter. Guest checkout. sales@solentpeptides.co.uk · WhatsApp 07380 370380.
Retatrutide here is a research chemical (LY3437943 family), not Wegovy, Mounjaro or any MHRA-authorised treatment. Licensed UK treatment is a different legal category.
40 mg lyophilised retatrutide (same CAS as the 5 / 10 / 30 mg vials). Not a pre-filled pen and not a medicine. Public identifier CAS 2381089-83-2. Also catalogued as LY3437943. Solent Peptides supplies Retatrutide (40 mg) as a defined lyophilised solid for non-clinical laboratory work, dispatched from Southampton after HPLC identity and purity checks. It is not a medicine, not a food, and not a cosmetic.
Retatrutide is catalogued for metabolic-pathway and receptor-model research (including incretin and mitochondrial literature where relevant). Pages on this site do not describe weight, appetite or clinical use. Laboratory reference material only.
Solent Peptides lists Retatrutide 40 mg for laboratory research from Southampton at £89.99. HPLC ≥99%. Research use only.
5 mg £24.99; 10 mg £25.99; 15 mg £38.99; 20 mg £49.99; 30 mg £67.99; 40 mg £89.99; 50 mg £109.99; 60 mg £129.99. Live catalogue; promotions can change.
Yes. ≥ 99% (HPLC) at batch release, identity against CAS 2381089-83-2. Lot on the vial.
No. Retatrutide 40 mg is sold as a research chemical, not as a licensed medicine, and not for human or veterinary use.
Not currently as a printed insert in every carton. Email the order ID or vial lot for batch confirmation.

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