GHRP-2 Nasal Spray
$35.00
🧬 GHRP-2 Nasal Spray for Potent GH Secretagogue Research: A ready-to-use formulation of the synthetic hexapeptide (Pralmorelin). A potent ghrelin receptor (GHS-R) agonist for studying growth hormone pulsatility, metabolic pathways, and appetite regulation. Precisely metered spray. Lab-verified purity. Strictly for research use.
🔬 Product Overview: Investigating the Ghrelin Axis
Welcome to the forefront of growth hormone (GH) secretagogue research. At Buy Peptides Online USA, we are pleased to present our GHRP-2 Nasal Spray—a specialized, ready-to-use formulation of the synthetic hexapeptide D-Ala-D-β-Nal-Ala-Trp-D-Phe-Lys-NH2, designed for laboratory investigation into the potent stimulation of the growth hormone (GH) axis via the ghrelin receptor (GHS-R).
GHRP-2, also known as Pralmorelin, is a second-generation growth hormone-releasing peptide (GHRP) that exhibits significantly higher potency than its predecessor, GHRP-6 . As a synthetic met-enkephalin analog, it acts as a ghrelin mimetic, binding to the growth hormone secretagogue receptor (GHS-R) in the pituitary and hypothalamus to stimulate a robust, dose-dependent release of GH. Its high potency and specificity make it a valuable tool for studying the intricate neuroendocrine pathways controlling growth hormone secretion .
Our nasal spray format offers researchers a practical, non-invasive delivery method for animal model studies, eliminating the variables associated with reconstitution and providing a consistent, metered dose for reproducible research protocols. This route of administration bypasses first-pass hepatic metabolism and provides a direct pathway to the systemic circulation and central nervous system via the olfactory and trigeminal nerve pathways.
🔍 What is GHRP-2 (Pralmorelin)?
Peptide Structure and Nomenclature:
GHRP-2 is a synthetic hexapeptide with the following precise characteristics:
| Specification | Details |
|---|---|
| Sequence | D-Ala-D-β-Nal-Ala-Trp-D-Phe-Lys-NH2 |
| Sequence (Full Name) | D-alanyl-3-(2-naphthyl)-D-alanyl-L-alanyl-L-tryptophyl-D-phenylalanyl-L-lysinamide |
| Molecular Formula | C₄₅H₅₅N₉O₆ |
| Molecular Weight | ~817.0 g/mol |
| CAS Number | 158861-67-7 (free base) ; 158861-71-3 (acetate salt) |
| Synonyms | Pralmorelin, GHRP-2, Growth Hormone Releasing Peptide-2, KP-102, KP-102 DCHA, WAY-GPA-748, D-Ala-D-β-Nal-Ala-Trp-D-Phe-Lys-NH2 |
| IUPAC Name | (2S)-6-amino-2-[[(2R)-2-[[(2S)-2-[[(2R)-2-[[(2R)-2-aminopropanoyl]amino]-3-naphthalen-2-ylpropanoyl]amino]propanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-3-phenylpropanoyl]amino]hexanamide |
Discovery and Physiological Significance:
GHRP-2 is a member of the growth hormone-releasing peptide (GHRP) family, which was developed through structural modifications of enkephalins to enhance GH-releasing activity while eliminating opioid activity . It acts as a potent, selective agonist of the ghrelin receptor (GHS-R1a), mimicking the action of the endogenous hormone ghrelin. Unlike GHRH (Growth Hormone-Releasing Hormone), which acts directly on somatotrophs, GHRPs act synergistically by antagonizing somatostatin tone and possibly through direct effects on the pituitary.
⚙️ Key Features & Technical Specifications
When you choose to buy research peptides online from Buy Peptides Online USA, you are selecting products manufactured to the highest standards for laboratory use.
- Mechanism of Action: GHRP-2 is a potent, selective agonist of the growth hormone secretagogue receptor type 1a (GHS-R1a). Its binding stimulates GH release via multiple pathways:
- Direct Pituitary Stimulation: Activates GHS-R on pituitary somatotrophs.
- Hypothalamic Action: Antagonizes somatostatin release, thereby disinhibiting GH secretion.
- Synergistic Effect with GHRH: Potently amplifies the GH response to GHRH.
- Potency: GHRP-2 is significantly more potent than GHRP-6, requiring lower doses to achieve comparable GH release.
- Primary Research Focuses: GH/IGF-1 axis dynamics, metabolic research (lipolysis, glucose homeostasis), neuroendocrine regulation, appetite and food intake studies (via hypothalamic NPY), muscle preservation (anti-catabolic) research, and sleep studies .
- Delivery Format: Pre-formulated nasal spray with a metered pump, ensuring consistent, reproducible dosing in animal model research.
- Purity: ≥98% (Verified by third-party HPLC testing).
- Quality Assurance: Every batch is accompanied by a Certificate of Analysis (COA) , utilizing High-Performance Liquid Chromatography (HPLC) to verify purity and Mass Spectrometry (MS) to confirm the peptide's molecular weight and sequence identity.
📊 GHRP-2 Specifications Table
| Specification | Details |
|---|---|
| Sequence | D-Ala-D-β-Nal-Ala-Trp-D-Phe-Lys-NH2 |
| Sequence Shortening | (D-Ala)(D-2-Nal)AlaTrp(D-Phe)Lys-NH2 |
| Molecular Formula | C₄₅H₅₅N₉O₆ |
| Molecular Weight | 817.0 g/mol |
| CAS Number | 158861-67-7 |
| PubChem CID | 5488730 |
| Synonyms | Pralmorelin, KP-102, GHRP-2 (acetate), Growth Hormone-Releasing Peptide-2 |
| Purity | ≥98% (HPLC Verified) |
| Physical Appearance | Clear, sterile solution in nasal spray device |
| Solubility | Supplied as a ready-to-use solution |
| Storage Conditions | Refrigerate at 2-8°C. Protect from light. Do not freeze. |
| Shelf Life | 12-18 months (unopened); 30 days after first use |
| Intended Application | Laboratory research use only. Not for human or veterinary use. |
🧪 Primary Research Applications
This nasal spray formulation serves as a versatile tool for multiple lines of scientific inquiry. Below are key research areas where GHRP-2 is commonly investigated:
🧬 GH/IGF-1 Axis Dynamics:
As one of the most potent GHRPs, GHRP-2 is extensively used to investigate the neuroendocrine regulation of GH secretion:
- Pulsatile Release Studies: GHRP-2 is a powerful tool for studying the ultradian rhythm and pulsatile nature of GH secretion, as it can amplify endogenous pulses .
- GHRH Synergy: Research consistently demonstrates that combining GHRP-2 with GHRH (e.g., Sermorelin or CJC-1295) produces a synergistic effect, resulting in a GH pulse significantly greater than either peptide alone. This makes it ideal for studying the integrative control of somatotroph function.
- Receptor Pharmacology: Its high specificity for GHS-R1a makes it valuable for binding assays and signal transduction studies of the ghrelin receptor.
⚖️ Metabolic Research:
GH is a key regulator of metabolism. GHRP-2 is investigated for its downstream metabolic effects:
- Lipolysis: Studies utilize GHRP-2 to investigate GH-mediated fat mobilization and oxidation in adipose tissue .
- Glucose Homeostasis: Researchers explore its effects on insulin sensitivity and glucose metabolism, given GH's counter-regulatory role .
- Energy Balance: As a ghrelin mimetic, GHRP-2 can influence hypothalamic circuits governing appetite (e.g., via NPY/AgRP neurons), making it relevant for studying energy intake and expenditure .
💪 Muscle Preservation and Recovery:
GH and IGF-1 are potent anabolic hormones. GHRP-2 is used in research models of:
- Anti-Catabolism: Investigating its potential to mitigate muscle wasting in models of cachexia, immobilization, or severe stress .
- Protein Synthesis: Studying the intracellular signaling pathways (e.g., PI3K/Akt) leading to increased protein synthesis in myocytes .
- Recovery from Injury: Exploring its role in tissue repair and regeneration following trauma.
🧠 Neuroendocrine and Behavioral Research:
Beyond GH release, GHRP-2 has other central nervous system effects:
- Sleep Studies: GHRPs, including GHRP-2, have been shown to influence sleep architecture, particularly slow-wave sleep, making them relevant for neuroendocrine-sleep interaction research .
- Stress Response: The GH axis is tightly linked to the stress response (HPA axis), and GHRP-2 is used to study this crosstalk.
- Cognitive Function: Emerging research explores the role of GH/IGF-1 in cognitive function, and GHRP-2 serves as a tool to modulate this axis.
📝 Handling & Laboratory Use
Important Distinction:
This product is a GHRP-2 Nasal Spray specifically formulated for research applications requiring non-invasive delivery. The peptide is pre-dissolved in a sterile, biocompatible solution appropriate for intranasal administration in laboratory animal models. It is ready to use and requires no reconstitution.
Storage Guidelines:
- Unopened: Store refrigerated at 2-8°C (36-46°F) . Do not freeze.
- In Use: After first use, maintain refrigeration and use within 30 days for optimal stability.
- Protection: Keep away from direct light and heat sources.
Research Administration Considerations:
- Dosing Protocols: Intranasal administration is an effective route for peptide delivery to the CNS and systemic circulation. Each actuation delivers a precise, metered dose. Researchers must calculate appropriate dosing based on their specific animal model and study protocol.
- Intranasal Delivery Validation: This route bypasses the blood-brain barrier and first-pass metabolism, offering a direct pathway to the brain via olfactory and trigeminal nerve pathways.
Safety & Handling Precautions:
- For laboratory research use only. Not for human or veterinary use .
- Handle using appropriate personal protective equipment (PPE): gloves, lab coat, and eye protection.
- Use in a well-ventilated area.
- Dispose of unused material according to institutional biosafety guidelines.
✅ Why Choose Buy Peptides Online USA?
When you need to buy GHRP-2 nasal spray online in the USA, trust and verification are paramount. Here is why researchers consistently choose us:
🔬 Verified Quality Assurance:
We do not rely on claims. Each product batch is analyzed using Third-Party HPLC and Mass Spectrometry. You can view the Certificate of Analysis (COA) to verify the peptide's Molecular Weight , sequence, and purity (>98%) .
🧪 Authenticity Guarantee:
Our peptides are sourced from GMP-compliant manufacturing facilities. We guarantee that the Molecular Formula and Sequence match the product specifications, ensuring your research is built on a foundation of quality.
📦 Fast & Discreet Shipping:
We understand that timely delivery is critical for ongoing research. We offer:
- Fast, reliable shipping across the USA
- Discreet, temperature-appropriate packaging
- Tracking information for all orders
- Free shipping on orders over $300
💼 Professional Research Support:
Our team understands the needs of the research community:
- Technical Consultation: Questions about handling or storage? Our knowledgeable team is here to help.
- 24/7 Customer Support: We are available when you need us.
- Product Replacement: Clear policies for damaged or incorrect items.
- Research-Only Integrity: We provide clear, accurate information without medical claims or marketing exaggeration .
💳 Secure & Flexible Payment:
- Secure checkout with data protection
- Crypto Payments Accepted: Bitcoin, Ethereum, and USDT
- Multiple payment options for your convenience
❓ Frequently Asked Questions (FAQ)
Q: What is the primary function of GHRP-2 in research?
A: GHRP-2 is primarily investigated as a potent growth hormone secretagogue. Its main research applications include studying the GH/IGF-1 axis, metabolic regulation (lipolysis and glucose homeostasis), neuroendocrine feedback loops, and potential anti-catabolic effects in muscle tissue .
Q: How does GHRP-2 compare to GHRP-6?
A: GHRP-2 is a second-generation GHRP and is significantly more potent than GHRP-6 . It also has a more linear dose-response curve. While both are GHS-R agonists, GHRP-6 is known for its more pronounced effect on appetite stimulation, whereas GHRP-2 is often preferred for its more selective and potent GH-releasing capability.
Q: Is this GHRP-2 product ready to use?
A: Yes. Unlike lyophilized powders that require reconstitution with bacteriostatic water or acetic acid, our GHRP-2 Nasal Spray arrives pre-formulated and ready for research use. This eliminates variables associated with reconstitution and ensures consistent dosing.
Q: How is the purity of GHRP-2 verified?
A: Every batch undergoes rigorous third-party testing using High-Performance Liquid Chromatography (HPLC) to verify purity (≥98%) and Mass Spectrometry (MS) to confirm the peptide's identity and Molecular Weight . These Certificates of Analysis are available upon request.
Q: Can GHRP-2 be used with other GHRH peptides in research?
A: Yes. In fact, studying the synergistic effect of combining a GHRP like GHRP-2 with a GHRH analog (such as Sermorelin or CJC-1295) is a common research focus. This combination allows investigators to study the full amplification of the GH pulse, which is a key feature of the neuroendocrine regulation of GH secretion.
Q: How should the GHRP-2 Nasal Spray be stored?
A: Store refrigerated at 2-8°C (36-46°F) at all times. Do not freeze. Protect from light and heat. After first use, continue refrigeration and use within 30 days for optimal stability.
Q: Is this product for human use?
A: No. This product is sold strictly for research and laboratory use only . It is not a drug, food, or cosmetic, and is not for human or veterinary use. We maintain strict research-only integrity in all our products.
📦 Packaging & Shipping
- Packaging: Professional, discreet, temperature-appropriate packaging
- Domestic Shipping: Fast USA shipping (2-5 business days)
- International Shipping: Available worldwide (subject to local regulations)
- Free Shipping: On all USA orders over $300
- Tracking: Provided for all orders
⚠️ Important Notes & Warnings
- For Research Use Only: This product is intended for laboratory research purposes only . It is not for human consumption, not for medical use, and not for veterinary use.
- Regulatory Compliance: Buyers are responsible for compliance with all applicable local, state, and federal laws regarding the purchase and use of research peptides.
- Safety Data: Handle with appropriate laboratory safety protocols. Use personal protective equipment.
- No Medical Claims: We make no claims regarding diagnostic, therapeutic, or medical benefits. All information provided is for scientific reference only.
Ready to advance your GH secretagogue research? Secure your supply of this premium GHRP-2 Nasal Spray today. With verified purity, professional support, and fast shipping from the USA, Buy Peptides Online USA is your trusted partner for quality research peptides.
🔐 Secure Checkout | Crypto Payments Accepted | Free Shipping on Orders $300+
| Analysis Certificate |
COA Available |
|---|---|
| Certifications |
Third-Party Tested ,GMP Manufactured |
| Intended Use |
Research Use Only (RUO) ,For Laboratory Use ,Not for Human Consumption ,Not for Diagnostic Use |
| Purity |
≥98% |
| Shelf Life |
90 days |
| Storage |
Store in a Cool, Dry Place ,Protect from Light ,Refrigerate (2-8°C) |
| Form |
Nasal Spray |
| Primary Function |
Growth Hormone Support |
| Functional Sub-Type |
GHRP (Growth Hormone Releasing Peptide) |
| Quantity |
12mg |
