Bremelanotide vs hGHRH(1-44)
Head-to-head comparison of Bremelanotide (Bremelanotide (PT-141), cyclic melanocortin receptor agonist) and hGHRH(1-44) (Human growth hormone-releasing hormone (1-44) amide) — benefits, dosing, side effects, research data, and where to buy.
Research Score
| Property | Bremelanotide | hGHRH(1-44) |
|---|---|---|
| Category | Sexual Health | Growth Hormone |
| Full Name | Bremelanotide (PT-141), cyclic melanocortin receptor agonist | Human growth hormone-releasing hormone (1-44) amide |
| Molecular Weight | 1025.2 Da | N/A |
| Half-Life | about 2.7 h | 5-15 minutes |
| Amino Acids | 7 | 44 |
| Typical Dose | 1.75 mg | 0.1-1 mcg/kg |
| Route | Subcutaneous | Subcutaneous/IV |
| Purity | ≥98% | ≥98% |
| Studies Count | 200 | 120 |
| Research Status | Clinical | Clinical Research |
Bremelanotide Benefits
- ✓increases sexual desire
- ✓supports arousal
- ✓may improve erectile response
- ✓on-demand use
hGHRH(1-44) Benefits
- ✓physiologic GH pulse support
- ✓IGF-1 pathway stimulation
- ✓pituitary receptor mapping
- ✓endocrine research tool
Bremelanotide Dosing
1.75 mg subcutaneous PRN|administer about 45 minutes before activity|max 1 dose per 24 hours
hGHRH(1-44) Dosing
0.1-1 mcg/kg SC or IV bolus for stimulation studies|single-dose endocrine challenge with timed GH sampling|pulsatile administration in clamp/infusion experiments
Bremelanotide Side Effects
- ⚠nausea
- ⚠flushing
- ⚠headache
- ⚠transient blood pressure increase
hGHRH(1-44) Side Effects
- ⚠flushing
- ⚠headache
- ⚠transient nausea
Research Overview
Bremelanotide
Human studies and approval data support meaningful effects on sexual desire in women, with a central mechanism involving melanocortin signaling. It is one of the most clinically relevant peptides in this category and is commonly used as the reference compound for PT-141-type research.
hGHRH(1-44)
Human GHRH(1-44) amide has been used extensively to characterize hypothalamic control of pituitary somatotrophs and the downstream GH/IGF-1 axis. It remains a standard comparator in studies of GHRH agonism, secretion dynamics, and receptor pharmacology.
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