HGH FRAG 176-191 Nasal Spray

🔬 Product Overview: The IGF-1 Independent Lipolytic Fragment

Welcome to the forefront of metabolic and lipid research. At Buy Peptides Online USA, we are pleased to present our HGH Fragment 176-191 Nasal Spray—a specialized, ready-to-use formulation of the C-terminal peptide fragment corresponding to amino acids 176 through 191 of the human growth hormone (HGH) molecule, designed for laboratory investigation into targeted lipid metabolism and adipocyte regulation.

HGH Fragment 176-191 represents a remarkable advancement in the study of growth hormone’s metabolic effects. The full-length HGH molecule (191 amino acids) possesses both growth-promoting (mediated by IGF-1) and metabolic (lipolytic, anti-insulinemic) activities. Research has successfully localized the primary fat-metabolizing region of the hormone to its C-terminus, specifically the fragment spanning residues 176-191 . This fragment retains the potent lipolytic properties of full-length HGH while demonstrating significantly reduced anti-insulinemic effects and no IGF-1 mediated growth stimulation, making it an exquisitely specific tool for investigating adipose tissue biology .

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. Intranasal administration provides a direct pathway to the systemic circulation, bypassing first-pass hepatic metabolism and the gastrointestinal tract.

🔍 What is HGH Fragment 176-191?

Peptide Structure and Nomenclature:
HGH Fragment 176-191 is a synthetic peptide corresponding to the C-terminal segment of human growth hormone (somatotropin) with the following precise characteristics :

The Critical Distinction: AOD9604:
It is important to note that HGH Fragment 176-191 is chemically identical to the research compound known as AOD9604 . This peptide was developed through rational drug design to isolate the fat-burning region of HGH from its growth-promoting region. The fragment’s inability to stimulate IGF-1 production is a key differentiator, as IGF-1 is responsible for the anabolic and mitogenic effects of full-length HGH, as well as its negative feedback 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: HGH Fragment 176-191 acts as a highly specific lipolytic agent through pathways that are independent of IGF-1 stimulation:
  • Direct Adipocyte Action: The fragment directly stimulates lipolysis (fat breakdown) in adipocytes by activating hormone-sensitive lipase (HSL) via the cyclic AMP (cAMP) and protein kinase A (PKA) signaling pathway .
  • Beta-Adrenergic Receptor Potentiation: Research suggests it potentiates the action of catecholamines (like epinephrine) on beta-adrenergic receptors in fat cells, enhancing the natural lipolytic response .
  • No IGF-1 Stimulation: Critically, it does not stimulate IGF-1 production in the liver or other tissues, thus avoiding the growth-promoting, anti-insulinemic, and feedback inhibition effects associated with full-length HGH .
• Primary Research Focuses: Lipid metabolism and adipose tissue biology, obesity and weight management models, adipocyte signaling (cAMP/PKA pathway), beta-adrenergic receptor function, comparative endocrinology (fragment vs. full-length HGH), metabolic syndrome research, and non-invasive drug delivery 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 Verification: 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 (1148.27 Da) and sequence identity .

📊 HGH Fragment 176-191 Specifications Table

🧪 Primary Research Applications

This nasal spray formulation serves as a versatile tool for multiple lines of scientific inquiry. Below are key research areas where HGH Fragment 176-191 is commonly investigated:

⚖️ Lipid Metabolism and Adipocyte Biology:
This is the core research application for this fragment, leveraging its unique specificity:

• Lipolysis Mechanisms: Researchers use HGH Fragment 176-191 to study the intracellular signaling pathways (cAMP/PKA/HSL) that govern the breakdown of triglycerides into free fatty acids and glycerol within fat cells .
• Adipose Tissue Distribution: Studies can investigate whether the fragment exerts differential effects on various fat depots (e.g., visceral vs. subcutaneous adipose tissue), a key question in metabolic research.
• Adipocyte Differentiation and Function: It serves as a tool to explore how growth hormone signaling, independent of IGF-1, influences adipocyte development, metabolism, and endocrine function.

🧬 Comparative Endocrinology:

• Structure-Function Analysis: The fragment is invaluable for dissecting which parts of the HGH molecule are responsible for its diverse biological actions. By comparing its effects to full-length HGH, researchers can pinpoint the specific region responsible for lipolysis and separate it from regions governing growth and insulin antagonism .
• Receptor Pharmacology: It helps elucidate the potential existence of distinct receptors or binding proteins for the C-terminal region of HGH, separate from the classic GH receptor.

🩺 Metabolic Syndrome and Obesity Research:

• Weight Management Models: The fragment is studied in animal models of diet-induced obesity to investigate its effects on body fat percentage, lipid profiles, and energy expenditure .
• Insulin Sensitivity: Because it lacks the anti-insulinemic effects of full-length HGH, it is a unique tool for studying the interplay between GH signaling and insulin action without the confounding factor of induced insulin resistance.
• Appetite and Energy Balance: Some research explores whether peripheral lipid metabolism signals mediated by this fragment can influence central appetite regulation.

🔬 Drug Delivery and Formulation Science:

• Non-Invasive Delivery: The nasal spray format itself makes this product relevant for research into non-invasive peptide delivery. Scientists can study the pharmacokinetics and bioavailability of this 11-amino acid peptide when administered via the intranasal route.

📝 Handling & Laboratory Use

Important Distinction:
This product is an HGH Fragment 176-191 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. Note the presence of a cysteine residue, which can be susceptible to oxidation over time.

Research Administration Considerations:

• Intranasal Delivery: Intranasal administration is a validated route for peptide delivery, bypassing first-pass metabolism and providing a direct pathway to the systemic circulation. Each actuation delivers a precise, metered dose. Researchers must calculate appropriate dosing based on their specific animal model and study protocol.
• Dosing Protocols: Dosing in published research varies. For reference, studies using the AOD9604 form have utilized doses ranging from 300-750 mcg/kg/day in rodent models .

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 HGH Fragment 176-191 nasal spray online in the USA for research purposes, 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 (1148.27 Da), sequence, and purity (>98%) .

🧪 Authenticity Guarantee:

Our peptides are sourced from GMP-compliant manufacturing facilities. We guarantee that the Molecular Formula (C₅₁H₇₃N₁₃O₁₈S₁) and Sequence (Tyr-Gln-Arg-Ser-Val-Glu-Gly-Ser-Cys-Gly-Phe) 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-controlled packaging to maintain cold chain integrity
• 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, storage, or research applications? 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 HGH Fragment 176-191 in research?

A: HGH Fragment 176-191 is primarily investigated as a highly specific lipolytic agent. Its main research applications include studying lipid metabolism in adipocytes, understanding the structure-function relationship of the growth hormone molecule, and exploring potential interventions in obesity and metabolic syndrome models without the confounding growth or anti-insulinemic effects of full-length HGH .

Q: How does HGH Fragment 176-191 differ from full-length HGH?

A: Full-length HGH (191 amino acids) has both metabolic (lipolytic, anti-insulinemic) and growth-promoting (IGF-1 mediated) effects. HGH Fragment 176-191 corresponds to the C-terminal region and retains the lipolytic effects of HGH but does not stimulate IGF-1 production . Therefore, it has no growth-promoting activity and does not induce insulin resistance or negative feedback on the pituitary, making it a more targeted tool for metabolic research.

Q: What is the relationship between HGH Fragment 176-191 and AOD9604?

A: They are chemically identical. AOD9604 is the research name commonly used for the peptide corresponding to amino acids 176-191 of the human growth hormone molecule . This product listing refers to the same peptide sequence.

Q: Is this HGH Fragment 176-191 product ready to use?

A: Yes. Unlike lyophilized powders that require reconstitution with bacteriostatic water or other solvents, our HGH Fragment 176-191 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 HGH Fragment 176-191 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 (1148.27 Da) . These Certificates of Analysis are available upon request.

Q: How should the HGH Fragment 176-191 Nasal Spray be stored?

A: Store refrigerated at 2-8°C (36-46°F) at all times. Do not freeze. Protect from light. After first use, maintain refrigeration and use within 30 days for optimal stability. For long-term storage of lyophilized material, -20°C is recommended, but this ready-to-use spray should not be frozen.

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. It is not for use in weight loss or other unapproved applications. We maintain strict research-only integrity in all our products.

Q: What is the significance of the cysteine residue in the sequence?

A: The presence of cysteine means the peptide contains a sulfhydryl group that can be susceptible to oxidation, potentially forming disulfide-linked dimers. Proper storage (cool, dark, and oxygen-free if possible) is important to maintain monomeric stability.

📦 Packaging & Shipping

• Packaging: Professional, discreet, temperature-controlled packaging to maintain cold chain integrity
• 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. It is not for use in weight loss protocols.
• 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 lipid metabolism research? Secure your supply of this premium HGH Fragment 176-191 Nasal Spray today. With verified purity, professional support, and fast, temperature-controlled shipping from the USA, Buy Peptides Online USA is your trusted partner for quality research peptides.

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