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Growth HormoneInjectableResearch Protocol

Sermorelin Dosage Chart

Sermorelin is a truncated GHRH analog (GRF 1-29) studied as a GH secretagogue. Short half-life makes evening subcutaneous dosing the typical research pattern.

AI-built tool. Cross-check critical values against authoritative sources before use.

Half-life

~10-20 minutes

Format

Injectable

Purity

≥98%

Protocols

4 variants

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Research Protocols

Dosage Protocols

Each row reflects a common research protocol variant. These are reference ranges derived from published literature and community research — not medical guidance.

Protocol 1

Standard Research Protocol

12-16 weeks

Dose

200-300mcg subcutaneous nightly

Duration

12-16 weeks

Most common single-dose research protocol. Administer 30-60 minutes before sleep for pulse alignment.

Protocol 2

Split Dose Protocol

12-16 weeks

Dose

150mcg AM + 150mcg PM

Duration

12-16 weeks

Split approach explored to capture two GH pulse windows during the day.

Protocol 3

Elevated Research Protocol

8-12 weeks

Dose

500mcg nightly

Duration

8-12 weeks

Upper-range dose used in some clinical research contexts. Shorter duration to limit receptor desensitization.

Protocol 4

GHRH + GHRP Stack

8-12 weeks

Dose

Sermorelin 200mcg + Ipamorelin 200mcg nightly

Duration

8-12 weeks

Classic stack exploiting the synergy between GHRH analog and ghrelin mimetic for larger GH pulses.

Mixing Math

Reconstitution

Reference values for preparing a research vial. Adjust the syringe reading if you change the water volume.

Vial size

5mg vial

BAC water

2ml bacteriostatic water

Concentration

2.5mg/ml

Dose / ml

250mcg = 0.1ml

Syringe units

10 IU on U-100 (for 250mcg)

Need help converting different vial sizes? Use our reconstitution calculator to generate protocol-specific numbers instantly.

Storage

Handling Notes

Lyophilized: refrigerated at 2-8°C. Reconstituted: refrigerate at 2-8°C and use within 14-28 days. Sermorelin is sensitive — minimize temperature fluctuations.

Research Considerations

Cautions

  • Take on an empty stomach (3+ hours after food) so that carb/insulin spikes don't blunt the GH pulse.
  • Rotate injection sites — the abdomen is most common.
  • Discontinue 48h before any lab work targeting GH/IGF-1 to avoid artificially elevated baseline readings.

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Research use only. Not medical advice. Browse all dosage charts