Secretin vs Ipamorelin
Head-to-head comparison of Secretin (Human Secretin) and Ipamorelin (Growth Hormone Secretagogue) — benefits, dosing, side effects, research data, and where to buy.
Research Score
| Property | Secretin | Ipamorelin |
|---|---|---|
| Category | Gastrointestinal | Performance |
| Full Name | Human Secretin | Growth Hormone Secretagogue |
| Molecular Weight | 3055.4 Da | 711.85 Da |
| Half-Life | 5-7 minutes | ~2 hours |
| Amino Acids | 27 | 5 |
| Typical Dose | 0.2 mcg/kg IV | 200-300 mcg |
| Route | Intravenous | SC |
| Purity | ≥98% | — |
| Studies Count | 800 | 156 |
| Research Status | Clinical | Clinical Trials |
Secretin Benefits
- ✓stimulates-pancreatic-secretion
- ✓supports-bicarbonate-release
- ✓aids-duodenal-pH-control
- ✓helps-digestive-coordination
Ipamorelin Benefits
- ✓Stimulates natural GH release
- ✓Minimal cortisol/prolactin increase
- ✓Improved body composition
- ✓Enhanced recovery and sleep quality
- ✓Anti-aging effects
Secretin Dosing
0.2 mcg/kg IV diagnostic dose|research infusion protocols|short bolus administration
Ipamorelin Dosing
Standard: 200-300 mcg SC 2-3 times daily|Pre-bed: 200 mcg SC 30 min before sleep|Combined: 100-200 mcg with CJC-1295 2-3x daily
Secretin Side Effects
- ⚠flushing
- ⚠nausea
- ⚠abdominal-cramping
Ipamorelin Side Effects
- ⚠Common (Mild): Temporary tingling, water retention, increased appetite
- ⚠Rare: Headache, lightheadedness
- ⚠Very Well Tolerated overall
Research Overview
Secretin
Secretin is a classic GI hormone with extensive physiology literature and established diagnostic use. It remains important for studying pancreatic secretory function, biliary responses, and duodenal feedback.
Ipamorelin
Ipamorelin has moderate clinical evidence. Phase II trials demonstrate selective GH release. Generally regarded as one of the safest GH secretagogues with minimal side effect profile.
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