Source comparison
Side-by-Side Comparison
Mechanism Ghrelin receptor (GHSR-1a) agonist; selective Ghrelin receptor (GHSR-1a) agonist; broader activity Evidence Grade B+ GH Pulse Amplitude ~30-45 ng/mL (strongest GHRP) ~25-35 ng/mL Hunger Stimulation Moderate (manageable) Intense (pronounced, rapid ons
This comparison does not assign a generated winner or score.
- Mechanism
- Ghrelin receptor (GHSR-1a) agonist; selective
- Ghrelin receptor (GHSR-1a) agonist; broader activity
- Evidence Grade
- B+
- GH Pulse Amplitude
- ~30-45 ng/mL (strongest GHRP)
- ~25-35 ng/mL
- Hunger Stimulation
- Moderate (manageable)
- Intense (pronounced, rapid onset)
- Cortisol Effect
- Minimal at standard doses
- Mild elevation
- Prolactin Effect
- Route
- Subcutaneous injection
- Typical Dose
- 100 - 300 mcg, 2-3x/day
- Half-Life
- ~30-60 minutes
- ~20-30 minutes
- Best For
- Max GH pulse with minimal side effects
- GH release + appetite stimulation (bulking)
- FDA Status
- Not FDA-approved; approved in Japan (diagnostic)
- Not FDA-approved; research compound
- Cost (research grade)
- $