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Pharmaceutical-grade research compounds
Our muscle growth category features growth hormone releasing peptides (GHRPs) and growth hormone releasing hormone (GHRH) analogs — compounds that stimulate the body's endogenous growth hormone production. Unlike exogenous GH administration, these secretagogues preserve the natural pulsatile release pattern, making them invaluable tools for studying somatotropic axis physiology, lean tissue accretion, and recovery biology.
Growth hormone secretagogues work through two complementary pathways: GHRH receptor activation (pituitary stimulation) and ghrelin receptor (GHS-R1a) activation. Combining both pathways produces synergistic GH release that mimics amplified physiological patterns.
Ipamorelin is the most selective ghrelin mimetic available. It stimulates GH release without significantly affecting cortisol, prolactin, or aldosterone — making it the preferred tool for studying isolated GH-mediated effects on muscle protein synthesis.
CJC-1295 with DAC (Drug Affinity Complex) extends the half-life of GHRH from minutes to approximately 6-8 days. A single administration produces sustained elevation of both GH and IGF-1, enabling long-duration research protocols.
The combination of a GHRH analog (CJC-1295) with a ghrelin mimetic (Ipamorelin) is one of the most studied peptide stacks. They work through different receptor pathways, producing additive GH release with preserved pulsatility.
GHRH peptides (like CJC-1295) stimulate the pituitary via the GHRH receptor, amplifying GH pulse amplitude. GHRP peptides (like Ipamorelin) work via the ghrelin receptor (GHS-R1a), increasing GH pulse frequency. Combined, they produce synergistic effects.
Secretagogues preserve the natural pulsatile GH release pattern, which research suggests is important for optimal anabolic signaling. Direct GH creates a sustained spike that doesn't mimic physiological secretion.
Store lyophilized peptides at -20°C for long-term or 2-8°C for short-term. After reconstitution with BAC water, refrigerate at 2-8°C and use within 30 days. Never freeze reconstituted solutions.
Showing 1–4 of 4 products
Highly selective GH secretagogue with minimal cortisol and prolactin impact. Ideal for clean GH-axis research.
GHRH(1-29) analog — the reference standard for growth hormone releasing hormone research.
Potent hexapeptide growth hormone secretagogue. A foundational compound in GH-axis and appetite signaling research.
Modified GRF(1-29) with Drug Affinity Complex for extended-duration growth hormone research. 99.3% HPLC verified.