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Sermorelin
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BATCH

PURITY

99% HPLC

  • CAS #:
  • 86168-78-7
  • Formula:
  • C₁₄₉H₂₄₆N₄₄O₄₂
  • M.W.:
  • 3,356 g/mol

Sermorelin

Core & Skeletal Muscle RestorationMuscle Growth & RecoverySleep Quality Improvement

$95.00

Volume Pricing Guide

QUANTITY PRICE PER
1 $95.00
2 - 4 $85.50
5 - 9 $80.75
10 - 14 $76.00
15 - 19 $71.25
20 + $66.50

Only the lyophilized product is provided. For research use only. All supplies sold separately.  

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Summary

Sermorelin is a well-characterized peptide therapy designed to stimulate the body’s own production of growth hormone (GH), supporting restorative sleep, metabolic health, recovery, and overall vitality. Rather than supplying exogenous growth hormone, Sermorelin works upstream—signaling the pituitary gland to release GH in a physiologic, pulsatile manner consistent with normal circadian rhythms¹⁻³. This distinction is central to its appeal. By restoring natural GH signaling, Sermorelin supports improvements in energy, body composition, cognitive clarity, and tissue quality over time. These systemic effects are often accompanied by visible improvements in skin tone, elasticity, and overall appearance, reflecting healthier collagen turnover and cellular renewal driven from within rather than superficial stimulation.

Research Recommendations

  • Protocol: 5 units at night, 2 hours after food. 5 days per week. 10 week cycle.
  • Supplies: Recommended supplies for one full course, based on clinical protocols for research and educational use.
  • Peptide Vials
  • 2
  • Bags of Needles
  • 5
  • Alcohol pad Bundles
  • 5
  • Bacteriostatic Water
  • 1
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Description & Pharmacodynamics

Sermorelin is a synthetic analog of growth hormone–releasing hormone (GHRH 1–29), the biologically active portion of endogenous GHRH. It binds to GHRH receptors on pituitary somatotrophs, stimulating endogenous GH release and subsequent downstream production of insulin-like growth factor-1 (IGF-1)¹⁻⁴.

Key physiological effects include:

  • Physiologic Growth Hormone Pulsing: Promotes natural, nighttime-aligned GH secretion rather than continuous elevation¹⁻³.
  • Improved Sleep Architecture: Enhances slow-wave sleep, the phase most closely associated with GH release and tissue renewal⁴⁻⁶.
  • Metabolic & Body Composition Support: Supports fat metabolism, lean mass preservation, and insulin sensitivity through GH–IGF-1 signaling⁵⁻⁷.
  • Tissue Quality & Recovery: Encourages protein synthesis, collagen turnover, and connective tissue integrity across muscle, bone, and skin⁶⁻⁸.
  • Favorable Safety Profile: Does not suppress endogenous GH production and avoids the risks associated with exogenous GH administration¹⁻⁴.

Sermorelin functions as a regulatory signal rather than a replacement hormone, making it suitable for long-term use in appropriately selected individuals.

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Research Insights

Restoration of Age-Related GH Decline
Endogenous GH secretion declines progressively with age, contributing to changes in body composition, sleep quality, and recovery capacity. Sermorelin has been shown to increase both the amplitude and frequency of GH pulses, partially restoring more youthful secretion patterns¹⁻³.

Sleep, Recovery & Neuroendocrine Balance
GH release is tightly coupled to deep sleep. By reinforcing this relationship, Sermorelin supports improved sleep quality, next-day energy, and neuroendocrine balance⁴⁻⁶.

Body Composition & Metabolic Health
GH–IGF-1 signaling supports lipolysis, muscle protein synthesis, and metabolic flexibility. Clinical observations associate Sermorelin use with reductions in fat mass and improved lean tissue maintenance when paired with appropriate lifestyle factors⁵⁻⁷.

Skin, Bone & Connective Tissue Support
GH and IGF-1 play critical roles in collagen synthesis, dermal thickness, and bone remodeling. Improvements in skin firmness, elasticity, and overall tissue quality are best understood as downstream effects of normalized anabolic signaling rather than direct cosmetic action⁶⁻⁸.

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Structure

  • Sequence: Tyr-Ala-Asp-Ala-Ile-Phe-Thr-Asn-Ser-Tyr-Arg-Lys-Val-Leu-Gly-Gln-Leu-Ser-Ala-Arg-Lys-Leu-Leu-Gln-Asp-Ile-Leu-Ser-Arg
  • Peptide Class: Growth Hormone–Releasing Hormone (GHRH) analog
  • Molecular Formula: C₁₄₉H₂₄₆N₄₄O₄₂
  • Molecular Weight: ~3,356 g/mol
  • PubChem CID: 16132263
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Citations for Sermorelin

  1. Thorner, M. O., et al. (1992). Growth hormone–releasing hormone and GH secretion. Endocrine Reviews, 13(4), 476–507.
  2. Merriam, G. R., et al. (1997). Endocrine effects of GHRH administration in adults. Journal of Clinical Endocrinology & Metabolism, 82(8), 2429–2437.
  3. Vance, M. L. (1990). Growth hormone secretion and aging. New England Journal of Medicine, 323(1), 1–6.
  4. Van Cauter, E., et al. (2000). Sleep, growth hormone, and aging. Endocrine Reviews, 21(5), 488–512.
  5. Ho, K. K. Y. (2007). GH deficiency and body composition. Endocrine Reviews, 28(3), 284–314.
  6. Velloso, C. P. (2008). Regulation of muscle mass by GH and IGF-1. British Journal of Pharmacology, 154(3), 557–568.
  7. Møller, N., & Jørgensen, J. O. L. (2009). Effects of growth hormone on metabolism. Journal of Endocrinological Investigation, 32(1), 17–22.
  8. Edmondson, S. R., et al. (2003). Growth hormone, IGF-1, and skin biology. Journal of Endocrinology, 179(3), 259–271.

**Note:** This product is intended for research purposes only and not for human consumption. Always consult with a healthcare professional before starting any new supplement or research product.

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