Evidence Codex is an educational reference, not medical advice. Many compounds listed are unapproved or have limited human evidence. Read the medical disclaimer.
GH Secretagogues

Sermorelin

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Limited / unverified Limited / unverified Limited / unverified GH Axis
Educational reference only. Read the full disclaimer. The protocols below are not automatically an FDA-approved or clinically verified regimen unless explicitly marked as label-verified or clinical-trial above.

Overview

Route(s): Subcutaneous

Typical vial sizes: 2, 5, 10 mg

Dosing window: Pre-Bed Fasted

Receptor / target: GHRH

Properties: GH Secretagogue

Pre-mixed: No

Unverified protocol notes

Standard Protocol

TimeframeDoseNotes
Weeks 1-16200mcg to 500mcg dailyAdministered right before bed. Must be fasted for 2-3 hours prior.

Unverified protocol note; not label dosing unless graded otherwise on this page.

Protocol logic check

Protocol context: GH-axis protocols are not 'more is better.' The logic is pulse quality, recovery time, IGF-1/glucose monitoring, and avoiding receptor desensitization, edema, appetite spikes, numbness, or blood-pressure strain. Entry context: target (GHRH); route Subcutaneous; timing Pre-Bed Fasted. Limited-evidence dosing tables are hypotheses, not recommendations. Compatibility is conditional: a reasonable solo compound can become inappropriate once a contraindicated partner is added. GH-axis stacking should be filtered for total IGF-1/glucose burden, not just expected synergy.

Independent evidence

Independent safety notes: No independent approved-label regimen is listed for this entry. Dosing notes remain unverified.

Regulatory status: no approved label identified

Storage

No independently verified storage guidance found. Treat any unverified storage claim as unverified, and see the general storage guidance in the FAQ.

Contraindications (limited evidence)

  • Active malignancy: GH stimulation may promote tumor growth. Limited / unverified
  • History of malignancy: exercise caution; assess risk-benefit before initiating. Limited / unverified
  • Active acromegaly or conditions involving GH excess. Limited / unverified
  • Concurrent use with CJC-1295 No DAC, CJC-1295 DAC, or tesamorelin: direct GHRH receptor redundancy; do not stack two GHRH analogs. Limited / unverified
  • Concurrent use with HGH 191aa: exogenous GH bypasses the pituitary that sermorelin depends on; sermorelin stimulates a pituitary already suppressed by exogenous GH. Limited / unverified
  • Disruption of the hypothalamic-pituitary axis: pituitary adenoma, cranial radiation, pituitary surgery, or hypopituitarism. Limited / unverified
  • Concomitant high-dose glucocorticoid therapy: suppresses pituitary GH response. Limited / unverified
  • Uncontrolled diabetes mellitus or significant insulin resistance: GH elevation worsens glycemic control; monitor fasting glucose. Limited / unverified
  • Diabetic ketoacidosis. Limited / unverified
  • Pregnancy: safety not established. Limited / unverified
  • Breastfeeding: safety not established. Limited / unverified
  • Known hypersensitivity to sermorelin acetate or any excipients. Limited / unverified
  • Pediatric use in subjects with closed growth plates. Limited / unverified

Side effects (limited evidence)

  • Injection site flushing and erythema: the most commonly reported adverse effect; localized redness, warmth, and itching at the injection site within minutes of administration. Limited / unverified
  • Mild water retention: GH-mediated sodium and fluid retention; the most conservative profile of all GHRH analogs in this database. Limited / unverified
  • Headache: vasodilation from GH pulse; typically mild and transient. Limited / unverified
  • Transient facial flushing: immediate post-injection vasodilation. Limited / unverified
  • Mild lethargy or fatigue: associated with the GH pulse. Limited / unverified
  • Dizziness: transient; post-injection. Limited / unverified
  • Nausea: rare at standard doses. Limited / unverified
  • Mild joint stiffness: GH-related periarticular fluid; less pronounced than CJC-1295 DAC. Limited / unverified
  • Tingling or numbness: mild paresthesia; less common than with longer-acting GHRH analogs. Limited / unverified
  • Vivid dreams: GH elevation during nocturnal sleep. Limited / unverified
  • Mild transient blood sugar changes: less clinically significant than with tesamorelin or HGH 191aa. Limited / unverified
  • Antibody formation: anti-sermorelin antibodies may develop with extended cycles; may reduce efficacy; clinically significant binding capacity is rare. Limited / unverified
  • Pituitary downregulation: lower risk than longer-acting GHRH analogs; 4-week washout is adequate for receptor recovery. Limited / unverified
  • Injection site pain: mild discomfort at subcutaneous administration site. Limited / unverified

Compatibility

The relationships below come from the source site's internal engine and were not verified independently. Treat them as a starting point for a conversation with a clinician. They carry no safety guarantee.

Reported synergistic:

Reported contraindicated combinations:

Sources