Retatrutide is a triple-agonist research peptide, so it targets three receptors at once: GLP-1, GIP and glucagon. Kaltberg Peptides offers it as a freeze-dried reference material for laboratory research only, and we post it across the UK, tracked and low-key.
Getting to know Retatrutide
Across the research literature, retatrutide comes up as a single molecule that switches on three receptors at the same time. If you would like it explained without the jargon, have a read of Retatrutide: the triple-agonist peptide explained.
How we check purity
An independent lab runs HPLC on every batch and confirms it at ≥99% purity, and you can ask for the certificate of analysis any time. There is more on our quality & testing page.
Sent within the UK
It goes out in plain, unbranded, tracked packaging from inside the UK. Full details are on shipping & delivery.
Ready to order
Here is the product: Retatrutide (10mg). Supplied only for in-vitro research, and not for human or veterinary use.