Complete evidence-based Sermorelin dosing protocol for 2026. Updated reconstitution steps, injection guidance, and cycle protocols.
Common dose: 200–500 mcg | Frequency: Daily before bed
Half-life: 10–20 minutes | Category: Growth Hormone
Injection sites: Subcutaneous, abdomen or thigh
Sermorelin is the first 29 amino acids of endogenous GHRH — the most natural GH-releasing peptide available. Previously FDA-approved for pediatric GH deficiency, widely used in anti-aging medicine. Stimulates pulsatile GH release that respects natural feedback loops, making it safer than exogenous HGH. Natural GHRH production declines with age — sermorelin supplementation restores more youthful GH profiles. First benefit usually noticed: improved sleep quality within 2–4 weeks.
Below are evidence-based Sermorelin dosing protocols for different experience levels and goals. Always start at the lowest effective dose and assess tolerance before increasing.
Proper reconstitution is critical for accurate dosing. Follow these steps carefully:
Use this table to determine your exact injection volume based on vial size and BAC water amount:
| Vial Size | BAC Water | Concentration | Low Dose Vol | High Dose Vol |
|---|---|---|---|---|
| 3 mg | 2 mL | 1,500 mcg/mL | 0.13 mL | 0.20 mL |
| 6 mg | 2 mL | 3,000 mcg/mL | 0.07 mL | 0.10 mL |
| 3 mg | 1 mL | 3,000 mcg/mL | 0.07 mL | 0.10 mL |
Recommended sites: Subcutaneous, abdomen or thigh
Rotate injection sites to prevent scar tissue buildup. Clean the injection site with an alcohol swab before injecting. Use a 27-29 gauge insulin syringe for subcutaneous injections. Pinch the skin, insert needle at 45-90°, and inject slowly.
Lyophilized (powder) form: Refrigerate at 36–46°F (2–8°C). Protect from light. Most peptides remain stable for 1–2 years unreconstituted.
Reconstituted solution: Refrigerate immediately after mixing. Use within 4 weeks typically. Do not freeze reconstituted peptides — this may damage the peptide structure.
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