Side-by-Side Comparison · 2026

Relaxin-2 vs Vasostatin

Relaxin-2 vs Vasostatin — mechanism, half-life, dosing, and research status compared. Which is right for your protocol?

Relaxin-2
Cardiovascular Peptide

Relaxin-2 (H2 Relaxin) is an endogenous peptide hormone of the insulin superfamily, best known for its roles in pregnancy physiology including cervical ripening, uterine quiescence, and connective tissue remodeling. Beyond reproduction, relaxin-2 is a systemic anti-fibrotic and v...

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Vasostatin
Cardiovascular Peptide

Vasostatin refers to the N-terminal fragments of chromogranin A (CgA), particularly CgA1-76 (Vasostatin-1) and CgA1-113 (Vasostatin-2), generated by proteolytic processing of the chromogranin A precursor. While catestatin (CgA352-372) is the C-terminal CgA fragment with anti-cate...

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Key Parameters
Parameter Relaxin-2 Vasostatin
Category Cardiovascular Peptide Cardiovascular Peptide
Research Clinical Preclinical Research
Half-Life 10-15 min (plasma) ~20-30 minutes (estimated)
Typical Dose 30-300 mcg/kg/day (IV) 0.1-10 nmol/kg IV (animal)
Frequency Continuous 48-hour infusion (trials) Acute dosing
Route Intravenous (infusion) IV (research)
FDA Status Not approved (Phase III completed) Research compound

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Frequently Asked Questions
What is the difference between Relaxin-2 and Vasostatin?
Relaxin-2: Relaxin-2 (H2 Relaxin) is an endogenous peptide hormone of the insulin superfamily, best known for its roles in pregnancy physiology including cervical ripening, uterine quiescence, and connective tis... Vasostatin: Vasostatin refers to the N-terminal fragments of chromogranin A (CgA), particularly CgA1-76 (Vasostatin-1) and CgA1-113 (Vasostatin-2), generated by proteolytic processing of the chromogranin A precur...
Which has a longer half-life, Relaxin-2 or Vasostatin?
Relaxin-2 half-life: 10-15 min (plasma). Vasostatin half-life: ~20-30 minutes (estimated).
Can you stack Relaxin-2 and Vasostatin?
Relaxin-2 and Vasostatin are in the same category and used together in research protocols. Always consult relevant literature and follow appropriate guidelines.

For research use only. Not medical advice. ASCEND does not conduct or endorse any specific research protocol. Always consult relevant scientific literature and regulatory guidelines.