Research Overview
Ipamorelin is a synthetic pentapeptide belonging to the growth hormone secretagogue (GHS) family. It is widely studied in laboratory research for its selective interactions with the growth hormone secretagogue receptor (GHSR-1a), endocrine signaling, growth hormone-axis regulation, and hypothalamic-pituitary physiology. Due to its receptor selectivity, Ipamorelin has become an important research tool for investigating growth hormone secretagogue biology.
Ipamorelin is an investigational research peptide and has not been approved for therapeutic use in humans. This material is supplied by Marsden Research Labs exclusively for qualified laboratory research applications and is not offered for human or veterinary use.
Chemical Information
| Compound Name | Ipamorelin |
| Common Name | Ipamorelin |
| Compound Type | Synthetic growth hormone secretagogue peptide |
| Length | 5 amino acids |
| Molecular Weight | Approximately 711 Da |
| Amino Acid Sequence | Aib-His-D-2-Nal-D-Phe-Lys-NH2 |
Physical Characteristics
| Appearance | White to off-white lyophilized powder. |
| Solubility | Water soluble under laboratory conditions. |
| Storage | Store frozen at -20°C or below for long-term stability. |
| Stability | Stability depends on the characteristics of the research material and may be affected by storage temperature, moisture, light exposure, solution conditions, repeated freeze-thaw cycles, and laboratory handling. |
Analytical Verification
Every batch made available for purchase by Marsden Research Labs is supported by current, batch-specific third-party laboratory documentation. Products are not made available for purchase until applicable testing and Certificate of Analysis (COA) documentation are complete. Additional independent laboratory reports may be published for a batch when available.
| Identity Verification | Confirmed using Liquid Chromatography–Mass Spectrometry (LC-MS) when available. |
| Purity Analysis | Determined using High-Performance Liquid Chromatography (HPLC). |
| Batch Traceability | Research batches are assigned unique batch identifiers corresponding to their applicable analytical results and documentation. |
| Certificate of Analysis (COA) | Required for every batch made available for purchase and reflects the analytical results associated with that batch. |
| Laboratory Report | Additional independent laboratory reports may be published for a batch when available. |
Batch-Specific Information
The batch number, analytical results, testing date, Certificate of Analysis (COA), and any additional independent laboratory report displayed near the top of this page correspond to the selected research sample and update automatically when a different batch or package size is selected.
Investigated Molecular Mechanisms
Ipamorelin functions as a highly selective agonist of the growth hormone secretagogue receptor (GHSR-1a), commonly known as the ghrelin receptor. This receptor interaction is studied in experimental systems involving intracellular signaling, growth hormone-axis regulation, hypothalamic-pituitary communication, receptor pharmacology, and endocrine physiology. Its receptor selectivity distinguishes it from earlier growth hormone secretagogues in laboratory investigations.
Ipamorelin is frequently investigated in endocrine physiology, growth hormone-axis signaling, ghrelin receptor pharmacology, peptide signaling, and metabolic pathway research.
Current Areas of Research
- Growth hormone secretagogue receptor (GHSR) signaling
- Growth hormone-axis regulation
- Hypothalamic-pituitary physiology
- Ghrelin receptor pharmacology
- Peptide hormone signaling
- Metabolic signaling pathways
Marsden Research Labs makes no representation regarding clinical outcomes or therapeutic applications.
Laboratory Handling
This material should be handled only by qualified laboratory personnel using appropriate research procedures.
Research samples should be stored and handled according to accepted laboratory practices appropriate to the research material. Material integrity may be affected by temperature, moisture, light exposure, solution conditions, repeated freeze-thaw cycles, and handling methods.
Research Use Notice
This product is supplied exclusively for laboratory research purposes.
It is not intended for human or veterinary use, diagnosis, treatment, cure, prevention of disease, food use, cosmetic use, or consumption of any kind. Purchasers are responsible for ensuring compliance with all applicable laws and regulations governing the acquisition and use of research materials.




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