GHRP-6 Dosing Protocol: 2 mg Vial — Starter Dosing Guide & Supplies
Quickstart highlights
GHRP-6 is a hexapeptide ghrelin receptor agonist with the strongest appetite-stimulating properties among commonly used GHRPs, due to its partial gastric motility effects in addition to central ghrelin receptor binding.
- Concentration: 2 mg/mL (2 mg vial + 1 mL bacteriostatic water).
- At 2 mg/mL: 100 µg = 5 units, 200 µg = 10 units.
- 2 mg vial provides 20 doses at 100 µg — ideal starter size to assess hunger tolerance.
- GHRP-6 causes significant appetite stimulation within 30 minutes; plan meals accordingly.
- Refrigerate; use within 28 days.
Dosing table
For educational reference only. Your prescribing provider may adjust doses based on your clinical profile and response.
| Week | Dose (µg) | Units | Frequency | Notes |
|---|---|---|---|---|
| 1-2 | 100 | 5 | 1–2x daily (fasted) | 100 µg — 5 units; 2 mg vial provides 20 doses at this level; test hunger response |
| 3-4 | 200 | 10 | 1–3x daily (fasted) | 200 µg — 10 units; 10 doses per vial; move to 5 mg vial for continued use |
Your free GHRP-6 tracker
- Dose reminders
- Injection logging
- Cycle progress
Reconstitution steps
- Draw 1 mL bacteriostatic water; inject slowly down the vial wall.
- Swirl gently until powder dissolves; do not shake.
- Final concentration: 2 mg/mL. At 2 mg/mL: 1 unit = 20 µg.
- Label with date; refrigerate at 2–8 °C. Use within 28 days.
Supplies needed
4-week plan
- 2 vials
- 28 syringes
- 2 mL bac water
- 28 alcohol swabs
Protocol overview & cycle notes
Assess GHRP-6 GH secretagogue response and hunger tolerance using the compact 2 mg starter vial before committing to a full 5 mg or 10 mg vial cycle.
Cycle length: 4 weeks on.
Off-cycle: 2–4 weeks off after 4-week starter cycle; progress to 5 mg vial for full protocol.
Storage & handling
Injection & tracking tips
- GHRP-6 causes significant hunger within 20–30 minutes post-injection; plan injections immediately before a planned meal if appetite stimulation is desired.
- The 2 mg vial is recommended for first-time GHRP-6 users to assess hunger sensitivity before committing to larger supplies.
- Inject subcutaneously in the abdomen, 2 inches from the navel.
Tracking
Logging helps you and your provider spot patterns and adjust dose or timing.
- Track hunger level (0–10) for 60 minutes post-injection to assess ghrelin-mediated appetite response.
- Weigh yourself daily for the first week to monitor water retention from GH elevation.
- Log sleep quality nightly if injecting at bedtime.
How this works & references
Sources
- Source: Bowers CY et al. — GHRP-6 and growth hormone release. J Clin Endocrinol Metab. 1984
- Source: Arvat E et al. — GHRP-2 vs. GHRP-6 in adults. J Endocrinol Invest. 1997
- Effects of a prolonged growth hormone (GH)-releasing peptide infusion on pulsatile GH secretion in normal men. Jaffe CA et al. — J Clin Endocrinol Metab — 1993
- Mechanism of action of hexarelin and GHRP-6: analysis of the involvement of GHRH and somatostatin in the rat. Conley LK et al. — Neuroendocrinology — 1995
Frequently asked questions
Why is GHRP-6 known for causing extreme hunger?
Is the 2 mg vial cost-effective?
Can GHRP-6 be used for appetite stimulation in medical settings?
How does GHRP-6 affect cortisol compared to GHRP-2?
Should I move to a larger vial after the 2 mg trial?
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View protocolThis content is for informational purposes only and does not constitute medical advice. Consult a licensed healthcare provider before starting any peptide therapy. Dosing and protocols may vary by formulation and prescriber.