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Quickpen Pro Peptides

GHRP-2 10mg

GHRP-2 10mg

Regular price €49,00 EUR
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GHRP-2 is a growth hormone releasing peptide studied for its role in stimulating endogenous growth hormone secretion through activation of the ghrelin receptor (GHS-R1a). It is known for producing stronger GH pulses compared to earlier secretagogues. In research settings, GHRP-2 has been observed to support anabolic hormone activation, metabolic signaling, and recovery-related endocrine pathways. Formulated in a stabilized pre-mixed injection pen for research use only.

Pen Dosage Chart

GHRP-2 10 mg QuickPen Pro
Volume 3.0 mL
mg/mL 3.33 mg/mL
Click-to-Dose 1 click = 0.033 mg
Example(s) 30 clicks(10 of Pen Scale) = 1 mg

 

Mechanism of Action

GHRP-2 binds to the growth hormone secretagogue receptor (GHS-R1a), a G-protein–coupled receptor expressed on hypothalamic neurons and pituitary somatotroph cells. Receptor activation triggers intracellular calcium signaling and phospholipase C pathways, leading to growth hormone exocytosis. In the hypothalamus, GHRP-2 may influence neuropeptide Y and growth hormone–releasing hormone (GHRH) neurons, enhancing the amplitude of GH pulses.

Compared to GHRP-6, GHRP-2 demonstrates stronger GH release with relatively less pronounced appetite stimulation. Elevated GH stimulates hepatic IGF-1 production, which activates PI3K/Akt/mTOR signaling cascades involved in protein synthesis and cellular growth. Broader endocrine effects, including mild ACTH stimulation, have been observed in experimental settings due to ghrelin receptor cross-talk within hypothalamic networks.

Benefits

  • Generates high-amplitude growth hormone pulses:
    GHRP-2 is recognized for producing stronger growth hormone peaks compared to earlier GHRPs. By binding to the GHS-R1a receptor, it increases intracellular calcium signaling within pituitary somatotroph cells, triggering GH exocytosis. The resulting hormone release follows a pulsatile rhythm rather than constant elevation. Higher pulse amplitude is associated with stronger downstream IGF-1 signaling in experimental models. This amplified pulsatility differentiates GHRP-2 from milder secretagogues and supports its positioning in anabolic hormone research.
  • Enhances the GH–IGF-1 endocrine cascade:
    Once GH is released, it stimulates hepatic production of IGF-1. IGF-1 then activates the PI3K/Akt pathway, leading to mTOR engagement and increased protein synthesis. Through this cascade, GHRP-2 indirectly influences cellular growth and structural adaptation. The sequential endocrine layering preserves physiological hierarchy, ensuring that peripheral tissues respond to naturally released hormones rather than direct receptor agonism.
  • Strong ghrelin receptor affinity and dual-site activation:
    GHRP-2 binds to ghrelin receptors expressed both in the hypothalamus and pituitary. Hypothalamic activation enhances GHRH neuron activity while suppressing somatostatin tone, which normally inhibits GH release. Simultaneously, pituitary receptor activation directly stimulates hormone secretion. This coordinated dual-site engagement increases both frequency and amplitude of GH pulses.
  • Influences intracellular anabolic signaling pathways:
    Elevated GH and IGF-1 levels activate intracellular pathways responsible for protein assembly and cellular growth. Akt phosphorylation promotes cell survival and inhibits apoptotic signaling. mTOR activation increases ribosomal protein translation and muscle fiber adaptation. These intracellular changes support sustained anabolic signaling environments in controlled research settings.
  • Supports muscle recovery and structural adaptation:
    Growth hormone influences collagen synthesis, connective tissue remodeling, and muscle repair signaling. By stimulating endogenous GH release, GHRP-2 activates repair-associated endocrine pathways. IGF-1 contributes to satellite cell activation and differentiation, supporting structural muscle adaptation in laboratory models.
  • Moderate appetite pathway engagement compared to GHRP-6:
    Although GHRP-2 activates the same ghrelin receptor as GHRP-6, appetite stimulation tends to be less pronounced. Hypothalamic neuropeptide Y signaling may still be influenced, but the primary observed effect is GH amplification. This distinction positions GHRP-2 as a more hormone-focused secretagogue rather than a hunger-driven peptide.
  • Integrates with broader hypothalamic-pituitary networks:
    Activation of the ghrelin receptor influences interconnected neuroendocrine circuits. Experimental observations suggest mild ACTH modulation due to hypothalamic cross-talk. This broader endocrine integration reflects the complexity of central hormone regulation and differentiates GHRP-2 from highly selective secretagogues.
  • Creates cumulative anabolic exposure over repeated pulses:
    Repeated amplification of GH pulses increases cumulative IGF-1 exposure. This sustained endocrine environment enhances activation of growth-related intracellular pathways. Over time, continued pulsatile stimulation may promote adaptive signaling responses within tissues studied in anabolic research models.
  • Preserves endogenous feedback regulation:
    Because GHRP-2 stimulates natural hormone release rather than supplying exogenous GH, hypothalamic feedback loops remain active. Somatostatin release continues to regulate pulse frequency, maintaining physiological control. This preservation of feedback integrity is important in long-term endocrine modulation
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FAQs

In most jurisdictions, purchasing peptides for legitimate scientific research is legal. However, laws vary by country and region. It is the researcher’s responsibility to ensure compliance with all local regulations. We do not sell to individuals for personal use.

We accept major credit cards, bank transfers, and cryptocurrency. Most domestic orders ship within 24–48 hours. International shipping is available to approved research institutions (delivery times vary by country and customs regulations).

Yes. Every batch undergoes independent third-party HPLC and mass spectrometry testing to verify purity (typically ≥98%) and identity. Certificates of Analysis (CoA) are available upon request for every product.

Reconstitution is typically done using bacteriostatic water or sterile water. Gently inject the solvent down the side of the vial and allow it to dissolve slowly. Do not shake vigorously. Refer to the specific peptide’s certificate of analysis or research protocol for recommended concentration.

For maximum stability, lyophilized (freeze-dried) peptides should be stored in a freezer at –20°C or below. Reconstituted peptides should be kept refrigerated (2–8°C) and typically used within 30–60 days. Always protect from light and avoid repeated freeze-thaw cycles.

Research peptides are short chains of amino acids designed for laboratory and scientific investigation. They are used exclusively for in vitro and in vivo research to study biological processes, tissue repair, cellular signaling, and other physiological mechanisms. They are not intended for human or animal consumption.

No. All peptides sold on this website are strictly for research and laboratory use only. They have not been evaluated by the FDA for safety or efficacy in humans. Researchers must comply with all applicable local, state, and federal regulations.

BPC-157 (Body Protection Compound-157) is a synthetic peptide derived from a protective protein found in the human stomach. It is one of the most widely studied research peptides for its potential effects on tissue healing, angiogenesis, gut health, and anti-inflammatory pathways in preclinical models.

The QuickPen Pro is a ready-to-use, ultra-convenient peptide delivery device designed for precise and consistent research dosing. It combines a high-quality pen injector with pre-measured research peptides for improved accuracy and ease of laboratory application.