Histatin-5 vs Kisspeptin-54
Head-to-head comparison of Histatin-5 (Human histatin 5) and Kisspeptin-54 (Kisspeptin-54 (metastin), 54-amino-acid KISS1 peptide fragment) — benefits, dosing, side effects, research data, and where to buy.
Research Score
| Property | Histatin-5 | Kisspeptin-54 |
|---|---|---|
| Category | Dental & Oral | Sexual Health |
| Full Name | Human histatin 5 | Kisspeptin-54 (metastin), 54-amino-acid KISS1 peptide fragment |
| Molecular Weight | 3035 Da | 5.9 kDa |
| Half-Life | minutes in saliva | about 20-30 min |
| Amino Acids | 24 | 54 |
| Typical Dose | 1-100 µM in research formulations | 0.3-1.0 nmol/kg |
| Route | Topical/Oral rinse | Intravenous |
| Purity | ≥98% | ≥98% |
| Studies Count | 120 | 110 |
| Research Status | Pre-clinical | Clinical |
Histatin-5 Benefits
- ✓anti-Candida activity
- ✓biofilm suppression
- ✓mucosal wound support
- ✓oral innate immunity
Kisspeptin-54 Benefits
- ✓GnRH/LH stimulation
- ✓supports sex hormone signaling
- ✓may enhance sexual motivation
- ✓fertility-axis modulation
Histatin-5 Dosing
topical rinse or gel|short contact exposure|repeat applications in research protocols
Kisspeptin-54 Dosing
0.3-1.0 nmol/kg IV bolus|single-dose experimental protocols|research-only endocrine monitoring
Histatin-5 Side Effects
- ⚠local irritation
- ⚠proteolytic instability
- ⚠dose-dependent cytotoxicity in vitro
Kisspeptin-54 Side Effects
- ⚠flushing
- ⚠nausea
- ⚠headache
- ⚠hormonal shifts
Research Overview
Histatin-5
Histatin-5 is a major salivary defense peptide that can kill Candida species and influence oral microbial communities. It is also investigated for wound-healing and xerostomia-associated oral infection models.
Kisspeptin-54
Human studies show that kisspeptin-54 can acutely modulate reproductive neuroendocrine signaling, which makes it relevant to libido and sexual motivation research. Its effects are indirect compared with PT-141, but it is a well-established peptide in the scientific literature.
Ready to buy?
Find both peptides from our verified, lab-tested vendors with purity certificates and third-party testing.