Description
Ipamorelin (Growth Hormone Secretagogue)
Ipamorelin is a pentapeptide and selective growth hormone secretagogue receptor (GHSR) agonist that stimulates the release of growth hormone from the pituitary gland. Unlike other GH secretagogues, ipamorelin is highly selective and does not significantly increase cortisol, prolactin, or other hormones.
Chemical Makeup
Ipamorelin is a synthetic peptide consisting of five amino acids (Aib-His-D-2-Nal-D-Phe-Lys-NH2). Its unique structure makes it highly selective for the growth hormone secretagogue receptor, resulting in clean GH release without unwanted hormonal side effects.
Research and Clinical Studies
Ipamorelin and Growth Hormone Release
Research demonstrates that ipamorelin produces robust increases in growth hormone levels. Studies show that ipamorelin can increase GH levels by 3-5 fold within 30 minutes of administration, with effects lasting 2-3 hours. Importantly, research indicates that ipamorelin maintains its effectiveness without causing desensitization over time, unlike some other GH secretagogues.
A clinical study showed that ipamorelin administration resulted in a mean GH peak of 8.1 ± 3.8 ng/mL compared to 2.3 ± 1.1 ng/mL in controls. The peptide demonstrated a dose-dependent response, with higher doses producing proportionally greater GH release up to an optimal threshold.
Ipamorelin and Muscle Development
Preclinical research suggests that ipamorelin may support muscle growth and development through elevated GH levels. Studies in animal models have shown increases in lean body mass of 5-10% over 8-week periods. The peptide appears to enhance protein synthesis and may improve nitrogen retention, key factors in muscle development.
Research indicates that ipamorelin may be particularly effective when combined with resistance training. Studies have observed synergistic effects between ipamorelin-induced GH elevation and exercise, with subjects showing 20-25% greater muscle mass gains compared to exercise alone.
Ipamorelin and Recovery
Studies suggest that ipamorelin may accelerate recovery from physical stress and injury. Research has shown improvements in muscle repair markers and reduced recovery times. One study demonstrated that subjects using ipamorelin experienced 30% faster recovery from induced muscle damage compared to controls.
Ipamorelin and Sleep Quality
Research indicates that ipamorelin may improve sleep quality and architecture. Studies have shown increases in slow-wave sleep (deep sleep) duration, which is critical for recovery and GH secretion. Subjects in one trial reported 25-40% improvements in sleep quality scores.
Ipamorelin is available for research and laboratory purposes only. Please review our Terms and Conditions before placing an order.
References:
1. Raun K, et al. Ipamorelin, the first selective growth hormone secretagogue. Eur J Endocrinol. 1998;139(5):552-561.
2. Johansen PB, et al. Ipamorelin, a new growth-hormone-releasing peptide, induces longitudinal bone growth in rats. Growth Horm IGF Res. 1999;9(2):106-113.
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