You may see do-it-yourself (DIY) B12 test kits for sale online, but there are many reasons to skip these, says Ren
The CAS number for AOD9604 is 386264-39-7, which uniquely identifies the compound for research and regulatory documentation
One longitudinal study in particular, which was based on adults age 50 and older, showed that individuals with low B12 levels had a 51% increased risk of depression over four years
After Peptide Sciences shut down in March 2026, Pepta Labs is one of the verified vendors still operating with full third-party testing
Selected-variant lyophilized material in a sealed, labeled vial (choose mg option from variants) Access to lot-specific Certificate of Analysis (COA) via the COA portal Analytical documentation (e.g., HPLC/MS) when available for the batch AOD-9604 is studied in receptor pharmacology and signaling characterization workflows using controlled laboratory assay systems: Receptor interaction studies: Investigated using receptor-expressing platforms to characterize binding and functional activity under controlled conditions
The dual mechanism was confirmed at the cellular level, and the fragment showed no cross-reactivity with the growth hormone receptor (Ng & Borstein, 2003)
