Buy Research Peptides and Peptide Pens
Explore our peptide selection, including the Retatrutide 40 mg Peptide Pen. Find current prices, product photographs, and package details, with full specifications and available Certificates of Analysis on individual product pages.
The prefilled 40 mg pen comes with eight individually packaged disposable needles and a printed user guide. Open the listing below to view the complete kit, its labeled contents, and the accompanying COA.
