What it is
GHRP-6 is a growth-hormone secretagogue with a strong appetite effect.
Evidence boundary
Investigational / limited human evidence.
Trial evidence
No clear human trial evidence is established.
Preparation and measurement
Reconstitution: 5 mg vial + 3 mL BAC = 1.67 mg/mL.
Concentration matches.
Reference schedule
| Phase | Dose | Draw / measure | Frequency | Weekly total |
|---|---|---|---|---|
| Weeks 1–2 (titration) | 100 mcg | 6 U (0.06 mL) | 3× daily | 700 mcg/week |
| Weeks 3–4 | 200 mcg | 12 U (0.12 mL) | 3× daily | 1.4 mg/week |
| Weeks 5–12 (target) | 300 mcg | 18 U (0.18 mL) | 3× daily | 2.1 mg/week |
Weeks 1–2 (titration)
- Dose
- 100 mcg
- Draw / measure
- 6 U (0.06 mL)
- Frequency
- 3× daily
- Weekly total
- 700 mcg/week
Weeks 3–4
- Dose
- 200 mcg
- Draw / measure
- 12 U (0.12 mL)
- Frequency
- 3× daily
- Weekly total
- 1.4 mg/week
Weeks 5–12 (target)
- Dose
- 300 mcg
- Draw / measure
- 18 U (0.18 mL)
- Frequency
- 3× daily
- Weekly total
- 2.1 mg/week
Weekly totals apply only during the active phase.
Titration rules
-
Standard (150 mcg, 2–3× daily): Common research dose.
-
Timing: Plan meals to leverage the appetite stimulation — dose 30–60 min before scheduled meal times if weight gain is the goal.
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Appetite increase
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GH pulse response
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Cortisol and prolactin spillover
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Fluid retention
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Injection-site reactions
Practical rules
- Plan meals around the appetite effect.
- Avoid eating immediately after dosing.
- Rotate sites.