Sermorelin

Minimal Active GHRH Fragment for Physiological GH Secretion Research

Sermorelin (GHRH 1-29) is a synthetic 29-amino acid peptide (sequence: H-Tyr-Ala-Asp-Ala-Ile-Phe-Thr-Asn-Ser-Tyr-Arg-Lys-Val-Leu-Gly-Gln-Leu-Ser-Ala-Arg-Lys-Leu-Leu-Gln-Asp-Ile-Met-Ser-Arg-NH₂) that represents the smallest fully bioactive fragment of the 44-amino acid endogenous human growth hormone-releasing hormone. This peptide retains the complete receptor-binding and pituitary-stimulating activity of full-length GHRH while offering improved stability and research utility. In laboratory settings, Sermorelin serves as a precise tool for studying the physiological, pulsatile release of growth hormone from the anterior pituitary via activation of the GHRH receptor (GHRHR). Its shorter sequence makes it ideal for structure-activity relationship studies and for research requiring a well-defined, single-pathway secretagogue that mimics natural hypothalamic signaling without the prolonged action of modified analogs. Supplied as an acetate salt, this research-grade peptide is intended strictly for controlled, non-human laboratory investigation into pituitary physiology, age-related GH decline, and diagnostic research applications.

Complete Research Kit Contents & Verification

Each research order provides a complete experimental package designed for precise endocrine research:

• Primary Research Compound: 10 sterile glass vials containing 5mg of lyophilized Sermorelin Acetate peptide powder per vial.

• Reconstitution Solution: 30ml vial of sterile Bacteriostatic Water (0.9% Benzyl Alcohol) for experimental use.

• Laboratory Administration Tools: Pack of sterile 1ml insulin syringes (29G x 1/2″) for precise measurement and transfer in accordance with research protocols.

• Sterilization Supplies: Individually wrapped alcohol prep swabs to maintain aseptic technique.

• Research Protocol Documentation:

  • Dosing Schedule: Standardized administration protocol for research models focusing on pulsatile GH secretion studies, pituitary capacity testing, and comparative studies with other secretagogues.

  • Usage Instructions: Comprehensive guide covering reconstitution math, storage conditions (-20°C recommended), handling safety, and experimental design considerations for timing-dependent pulsatility research.

• Quality Verification: Certificate of Analysis (CoA) provided with each batch, detailing:

  • Purity Analysis (>98% by HPLC)

  • Amino Acid Sequence Verification (Mass Spectrometry) – Critical for confirming the specific 1-29 sequence.

  • Molecular Weight: 3357.8 Da (Free Base) / ~3417 Da (Acetate Salt, approximate)

  • Sterility Testing Results

  • Endotoxin Levels (<10 EU/mg)

  • Residual Solvent Analysis

  • Salt Form Confirmation (Acetate)

  • Net Peptide Content

  • C-terminal Amidation Verification (Important for activity)

Research Applications & Scientific Utility

In a laboratory setting, Sermorelin enables focused investigation into natural GHRH pathway activation. Primary research applications include:

• Pituitary Function Research: Studying the responsiveness of somatotrophs in models of pituitary health, aging, or disease.

• Pulsatility Studies: Investigating the dynamics of natural, pulsatile GH release patterns in contrast to continuous stimulation by long-acting analogs.

• Diagnostic Protocol Development: Researching standardized stimulation tests for assessing GH reserve in animal models of endocrine disorders.

• Comparative Pharmacology: Serving as the benchmark “natural analog” in studies comparing the effects of GHRH (via Sermorelin) versus ghrelin/GHSR agonists (like Ipamorelin) on GH secretion patterns and downstream effects.

• Aging Endocrinology: Modeling and researching the somatopause (age-related GH decline) and potential interventional strategies focused on hypothalamic-pituitary signaling.

Laboratory Handling & Safety Protocol

• Storage: Store unopened lyophilized peptide vials at -20°C or below. Reconstituted solutions should be aliquoted and stored at -20°C and used within a reasonable timeframe to ensure peptide integrity.

• Reconstitution: Must be performed under sterile laboratory conditions using the provided bacteriostatic water. The peptide dissolves readily. Swirl gently to dissolve.

• Laboratory Safety: Standard personal protective equipment (PPE) including lab coat, nitrile gloves, and safety glasses must be worn. Follow institutional biosafety guidelines.

• Pharmacokinetics: Researchers should note its relatively short half-life (similar to native GHRH) when designing pulsatility or chronic dosing studies.

⚠️ Critical Compliance & Intended Use Disclaimer:

THIS PRODUCT IS SOLD FOR RESEARCH USE ONLY (RUO). NOT FOR HUMAN OR VETERINARY DIAGNOSTIC OR THERAPEUTIC USE.

1. Intended Use: Sermorelin is supplied as a biochemical reagent for laboratory research purposes only. It is intended for use by qualified researchers in controlled settings studying endocrinology and pituitary physiology. The included “dosing schedule” refers to standardized research model administration protocols only.

2. Not for Human Consumption: Under no circumstances is this product intended for administration to humans or animals. It is not an anti-aging therapy, diagnostic agent, or prescription drug substitute. The provided syringes and supplies are for laboratory measurement and transfer only.

3. Regulatory Status: This product has not been evaluated or approved by the FDA or any other global health authority for any use. While a drug version (Geref®) previously existed, THIS SPECIFIC PRODUCT IS NOT THAT DRUG.

4. Natural Analog Distinction: Sermorelin is a research tool representing the natural GHRH signal. This should be framed for its value in basic physiological research, not for therapeutic outcomes.

5. Researcher Responsibility: It is the sole responsibility of the purchasing individual/institution to ensure compliance with all regulations regarding the possession, use, and disposal of research peptides and to use this product only for legitimate, non-human research.