GHRP-2 vs GHRP-6
A side-by-side research comparison of GHRP-2 and GHRP-6 across mechanism, dosing, half-life, benefits, side effects and research status.
Comparison table
| Attribute | GHRP-2 | GHRP-6 |
|---|---|---|
| Full name | Growth Hormone Releasing Peptide-2 (Pralmorelin) | Growth Hormone Releasing Peptide-6 |
| Category | Growth Hormone | Growth Hormone |
| Status | Research compound | Research compound |
| Mechanism | Potent GHSR-1a agonist stimulating GH release and appetite. Also mildly stimulates ACTH/cortisol release. | Activates GHSR-1a on pituitary for GH release and hypothalamic neurons for appetite. Triggers gastric motility and ghrelin-like reward signaling. |
| Molecular weight | 818 Da | 873 Da |
| Half-life | 1-2 hours | 2-3 hours |
| Bioavailability | High (SubQ) | High (SubQ) |
| Typical dose | 100-300 mcg | 100-300 mcg |
| Frequency | 2-3x daily | 2-3x daily |
| Route | Subcutaneous | Subcutaneous |
GHRP-2 reported benefits
- Strongest GH release among GHRPs
- Appetite stimulation
- Recovery improvement
- Enhanced sleep
- Muscle preservation
GHRP-6 reported benefits
- Strong GH release
- Powerful appetite stimulation
- Gastric motility improvement
- Recovery enhancement
- Gut healing support
Related comparisons
Research and educational reference only. Not medical advice.