Buy 1, get 1 free: today's window closes at 11:59 PM PT

For Research Use Only. Not for Human Consumption.

Research catalog

PT-141 vs Sermorelin

PT-141 and Sermorelin: published catalog details for laboratory research. For Research Use Only. Not for Human Consumption.

All comparisons
Published catalog details for PT-141 and Sermorelin
Catalog detailPT-141Sermorelin
Research categoryEndocrine ResearchEndocrine Research
OverviewA small cyclic peptide that acts on the MC3R and MC4R melanocortin receptors, studied for its effects on central-nervous-system signaling. For research use only.A synthetic copy of the first 29 amino acids of GHRH, the region that carries its receptor-binding activity, studied for somatotroph receptor signaling. Freeze-dried powder, ≥99% pure (HPLC). For research use only.
MechanismA peptide studied for how it activates melanocortin signaling pathways in the central nervous system.A 29-amino-acid fragment of natural GHRH, studied for how it engages the GHRH receptor on pituitary cells.
FormLyophilized PowderLyophilized Powder
Purity specification≥99% HPLC≥99% HPLC
Public sizes10mg, 5mg10mg
StorageRoom temperature, protected from light and moistureRoom temperature, protected from light and moisture

Research Use Only

For Research Use Only. Not for Human Consumption. Not a drug, supplement, or food product. All NuLumin Bio-Sciences products are designated Research Use Only (RUO). Not intended for therapeutic use or diagnostic purposes. Purchasers assume responsibility for ensuring compliance with all applicable regulations.

Seasonal offer · Fall 2026

The Fall Special.

Buy one, get one free on eligible compounds. Same compound, same size, added automatically.

Shop the Fall Special