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GHRP-2 (158861 67 7) Peptides for Fat & Muscle Gain



The Evolving Landscape of Weight Management: A Peptide Revolution

The global pursuit of effective weight management solutions has entered a new, sophisticated era. Moving beyond traditional diet and exercise paradigms, the scientific community is now focused on targeted biochemical interventions. Among the most promising of these are peptide supplements for weight loss. Unlike broad-spectrum stimulants, peptides like 158861 67 7 (GHRP-2) offer a highly specific mechanism of action, tapping into the body's natural regulatory systems to optimize metabolism, promote fat loss, and encourage lean muscle development.

Recent market analysis indicates a compound annual growth rate (CAGR) of over 8.5% in the therapeutic peptide market, with metabolic and weight loss applications being a significant driver. This surge is fueled by a deeper understanding of the endocrine system and the role of growth hormone secretagogues. Researchers and institutions are increasingly choosing high-purity peptides to investigate novel peptide therapy for weight loss, aiming for results that are both effective and aligned with the body's intrinsic physiological pathways. The demand for reliable suppliers of research-grade peptides for weight loss for sale, such as Weimiao Bio, has never been higher, reflecting a clear industry trend towards precision and quality in metabolic research.

Technical Specifications: GHRP-2 (158861 67 7)

To ensure reproducible and reliable research outcomes, understanding the precise technical parameters of a peptide is paramount. Our Ghrp-2, identified by CAS number 158861 67 7, is synthesized and purified to meet the highest industry standards. Below is a comprehensive data sheet detailing its key characteristics.

Parameter Specification
Product Name GHRP-2 (Pralmorelin)
CAS Number 158861-67-7
Molecular Formula C45H55N9O6
Molecular Weight 817.9 g/mol
Amino Acid Sequence H-D-Ala-D-2-Nal-Ala-Trp-D-Phe-Lys-NH2
Purity (by HPLC) ≥99.0%
Appearance White Lyophilized Powder
Solubility Soluble in bacteriostatic water
Storage Store at 2-8°C. For long-term storage, -20°C is recommended.
Source Chemical Synthesis
Quality Standard Research Grade, Certificate of Analysis (COA) provided with each batch

This level of detail and transparency ensures that researchers using our peptides for fat loss and muscle gain can proceed with confidence, knowing the exact nature of the compound they are working with.

GHRP-2 (158861 67 7) Peptides for Fat & Muscle Gain

Our GHRP-2 is supplied as a lyophilized powder to ensure maximum stability and shelf-life.

The Weimiao Bio Advantage: Purity Through Process

Unveiling the Synthesis of 158861 67 7

The efficacy and safety of any weight loss peptide supplement are directly tied to its purity and the precision of its manufacturing process. At Weimiao Bio, we utilize state-of-the-art Solid-Phase Peptide Synthesis (SPPS) to produce our GHRP-2. This method, unlike less controlled liquid-phase synthesis, allows for superior purity, scalability, and batch-to-batch consistency. The entire process is conducted under strict laboratory conditions adhering to quality management principles akin to ISO 9001 standards.

Our Meticulous SPPS Flowchart:

1. Resin Anchoring

2. Deprotection & Coupling Cycle

3. Peptide Elongation

4. Cleavage from Resin

5. HPLC Purification

  • Material Foundation: We start with 99.9%+ pure amino acid derivatives, the fundamental building blocks of the peptide.
  • Manufacturing Craftsmanship (SPPS): The peptide chain is built one amino acid at a time on a solid polymer resin. This allows for easy removal of excess reagents and by-products at each step, preventing impurity buildup.
  • Rigorous Testing (QC): After synthesis, the crude peptide is subjected to purification via High-Performance Liquid Chromatography (HPLC). The final product's identity is confirmed by Mass Spectrometry (MS), and its purity is quantified by HPLC. Each batch of our 158861 67 7 comes with a detailed Certificate of Analysis (COA) showing these results.
  • Stability & Lifespan: The purified peptide is lyophilized (freeze-dried) to remove water, creating a stable powder with a shelf life of over 24 months when stored at -20°C.
  • Applicable Sectors: Our products are exclusively for laboratory research purposes within sectors like biotechnology, endocrinology, metabolic science, and pharmaceutical development.

Comparative Analysis: GHRP-2 vs. Other Popular Peptides

In the expanding field of research chemicals for metabolic modulation, it's crucial to understand the distinct profiles of different compounds. GHRP-2, while a powerful growth hormone secretagogue, has unique characteristics when compared to other peptides like Ipamorelin or even SARMs like LGD-3303 (CAS 917891-35-1). The following chart visualizes the key performance indicators for researchers investigating peptides for belly fat and muscle gain.

Peptide Performance Profile Comparison

High
GHRP-2
Moderate
Ipamorelin
Low/Indirect
LGD-3303

Attribute: Growth Hormone Release Potency

This chart illustrates that while all compounds are studied for body composition changes, they operate differently. GHRP-2 provides one of the strongest GH pulses, making it a focal point for studies on peptide weight loss therapy. In contrast, Ipamorelin offers a more controlled release with fewer potential side effects like increased cortisol or prolactin, and LGD-3303 acts via androgen receptors, not the ghrelin receptor. Choosing the right compound depends entirely on the specific goals of the research project.

Primary Research Applications of Ghrp-2 (158861 67 7)

  • Fat Loss / Metabolism Studies (75%)
  • Muscle Growth / Sarcopenia Research (20%)
  • Anti-Aging & Cellular Repair Studies (5%)
GHRP-2 (158861 67 7) Peptides for Fat & Muscle Gain

Each vial from Weimiao Bio is a testament to our commitment to quality in the field of peptide treatment for weight loss research.

Application Scenarios & Research Case Studies

Primary Application: Pre-Clinical Metabolic Research

GHRP-2 (158861 67 7) is a cornerstone compound for in-vitro and in-vivo studies exploring the ghrelin/growth hormone secretagogue receptor axis. Its primary application is in academic and private research labs investigating:

  • Lipolysis: The mechanisms by which GH pulses stimulate the breakdown of triglycerides in adipose tissue (fat cells). This is crucial for developing peptides for belly fat loss strategies.
  • Anabolism: The pathways leading to increased protein synthesis and nitrogen retention in muscle tissue, key for studies on peptides for muscle growth and fat loss.
  • Ghrelin Mimicry: As a ghrelin mimetic, it's used to study appetite regulation, gastric motility, and glucose metabolism.
  • Sarcopenia and Cachexia Models: Investigating its potential to counteract age-related or disease-induced muscle wasting.

Hypothetical Research Case Study: Weimiao Bio Partnership

Client: A leading university's Endocrinology Department.

Objective: To assess the impact of GHRP-2 on visceral adipose tissue (VAT) reduction and lean mass preservation in a rodent model of diet-induced obesity.

Solution Provided by Weimiao Bio: We supplied three batches of 158861 67 7 with a guaranteed purity of >99.5%, complete with individual COAs and batch-to-batch consistency data. We also provided consultation on reconstitution and storage protocols to ensure the peptide's integrity throughout the long-term study.

Outcome (Simulated): The research team observed a statistically significant reduction in VAT (p peptide therapy for weight loss research.

Frequently Asked Questions (FAQ) about GHRP-2 (158861 67 7)

GHRP-2 (Growth Hormone Releasing Peptide-2), with CAS 158861-67-7, is a synthetic peptide known as a growth hormone secretagogue. It acts as an agonist of the ghrelin/growth hormone secretagogue receptor (GHSR-1a). By binding to this receptor in the pituitary gland and hypothalamus, it potently stimulates the body to release its own endogenous Growth Hormone (GH). This mechanism makes it a key subject in studies on peptide weight loss therapy.

Our purity verification is a multi-step process conforming to rigorous scientific standards. The primary method is High-Performance Liquid Chromatography (HPLC), which separates the target peptide from any synthesis-related impurities. We guarantee a purity of ≥99.0%. Additionally, we use Mass Spectrometry (MS) to confirm the molecular weight and identity of the peptide, ensuring you receive the correct compound. A Certificate of Analysis (COA) detailing these results is provided with every order.

While all are GH secretagogues, they have different profiles. GHRP-2 provides a very strong GH pulse but can also slightly increase prolactin and cortisol. GHRP-6 also gives a strong GH pulse but is well-known for significantly increasing appetite (a ghrelin-like effect). Ipamorelin is more selective; it stimulates GH release with minimal to no effect on cortisol, prolactin, or appetite, making it a "cleaner" but potentially less potent pulse. The choice between them depends on the specific variables a researcher wants to study.

Storage: The lyophilized (freeze-dried) powder is stable at room temperature for short periods but should be stored at 2-8°C for up to several weeks. For long-term storage (months to years), it must be kept at -20°C.
Reconstitution: To prepare for research use, reconstitute the vial with bacteriostatic water. Gently inject the water down the side of the vial and swirl, do not shake. Once reconstituted, the solution should be kept refrigerated at 2-8°C and used within a specified timeframe (typically a few weeks) to maintain potency.

IMPORTANT DISCLAIMER: Our GHRP-2 and all other peptides, including those studied for peptides for weight loss and muscle gain, are sold strictly for in-vitro laboratory research purposes only. They are not FDA-approved drugs and are not intended for human or veterinary use. They should only be handled by qualified professionals in a controlled laboratory setting.

Yes. As a primary lgd-3303 cas 917891-35-1 supplier and peptide manufacturer, Weimiao Bio can facilitate custom synthesis projects and bulk orders for institutional clients. We can work with you to meet specific purity requirements (e.g., >99.5%) and provide customized batch sizes to fit the scale of your research project. Please contact our sales team to discuss your specific needs.

We offer global shipping with typical delivery times ranging from 5-10 business days depending on location and customs clearance. Our quality guarantee is simple: the product you receive will match or exceed the specifications on its Certificate of Analysis. If there is any discrepancy in purity or quality confirmed by an independent third-party lab, we offer a full replacement or refund. This commitment to trust and transparency is central to our business.

Our Commitment to Excellence and Trust (E-E-A-T)

In the scientific community, trust is not given; it is earned. Weimiao Bio is built on the principles of Google's E-E-A-T framework to ensure we are your most reliable partner in research.

  • Expertise: Our team consists of chemists and researchers with deep knowledge of peptide synthesis and quality control. We understand the nuances of compounds like 158861 67 7 and are equipped to answer your technical questions.
  • Experience: With years of service to the research community, we have a proven track record of supplying high-purity peptides to universities, biotech startups, and established research institutions worldwide. Our experience is reflected in our streamlined processes and understanding of researcher needs.
  • Authoritativeness: Our manufacturing facilities operate under stringent quality management systems (e.g., ISO 9001). Our products are frequently used in studies that go on to be published in reputable scientific journals, cementing our authority as a premier supplier.
  • Trustworthiness: We build trust through transparency. Every product comes with a COA, we offer clear shipping and return policies, and our customer support team is readily available. Our commitment to selling for "Research Use Only" upholds ethical standards within the industry.

References & Further Reading:

The information presented is based on established scientific research. For a deeper technical understanding, we recommend consulting peer-reviewed literature:

  • Laferrère, B., et al. (2005). "Growth hormone releasing peptide-2 (GHRP-2), a ghrelin agonist, stimulates growth hormone, adrenocorticotropin, and cortisol release in normal men." The Journal of Clinical Endocrinology & Metabolism, 90(5), 2948-2951. View on OUP
  • Sigalos, J. T., & Pastuszak, A. W. (2018). "The Safety and Efficacy of Growth Hormone Secretagogues." Sexual Medicine Reviews, 6(1), 45-53. View on NCBI/PubMed
  • Discussion on GHRP-2 mechanisms and research applications can often be found on scientific forums and communities like the Longecity forum or Reddit's r/peptides sub-community (for anecdotal research discussions, not as a primary source).
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