Vitality
PT-141 / Oxytocin / Tesamorelin
Peptide blend
PT-141, Oxytocin and Tesamorelin blend
Research context
This preparation combines three peptides acting at unrelated receptor systems: the melanocortin receptors, the oxytocin receptor, and the GHRH receptor. Each is characterised independently in the published literature.
Common assays: Component identity by LC-MS · Purity per component
Specification
| Designation | Peptide blend |
|---|---|
| Full name | PT-141, Oxytocin and Tesamorelin blend |
| Components | PT-141 (Bremelanotide) · Oxytocin · Tesamorelin |
| Formats | 15 mL Advanced Liquid Peptide Spray |
| Solubility | Supplied in metered spray format |
| Storage | Refrigerated 2–8 °C, protected from light |
| Current lot | PTO10310N1125 → |
PT-141 / Oxytocin / Tesamorelin COA: certificates of analysis by lot
One lot of PT-141 / Oxytocin / Tesamorelin has a published certificate of analysis from AxisPharm, LLC, an independent laboratory. Each certificate reports the laboratory's results for that lot.
| Lot | Format | Purity (HPLC-UV) | Reported |
|---|---|---|---|
| PTO10310N1125 | 10 mg / 3 mg / 10 mg Spray | >99.0% | 2025-11-24 |
Common questions
How are three-component blends analysed?
By chromatographic separation with mass confirmation for each component. Peaks must be resolved for individual quantification, which is why blend certificates report per-component results.
Where can I see the PT-141 / Oxytocin / Tesamorelin certificate of analysis?
Every published PT-141 / Oxytocin / Tesamorelin lot has its own certificate page on this site, listed under "PT-141 / Oxytocin / Tesamorelin COA" above. There is one published lot; the most recent, lot PTO10310N1125, was reported on 2025-11-24 at >99.0% purity by HPLC-UV. The certificates are issued by AxisPharm, LLC, an independent laboratory.
Components, blends and pathway
Related compounds
Tesamorelin
GHRH analog
A stabilised 44-residue GHRH analogue carrying an N-terminal hexenoyl modification.
PT-141
Bremelanotide
A cyclic heptapeptide melanocortin receptor agonist studied in MC3R and MC4R signalling.
Oxytocin
Oxytocin
A cyclic nonapeptide hormone studied in receptor signalling and social neuroscience research.
Melanotan II
Melanotan-II
A cyclic α-MSH analogue studied as a non-selective melanocortin receptor agonist.