Side-by-Side Comparison · 2026

Clavanin vs Gramicidin S

Clavanin vs Gramicidin S — mechanism, half-life, dosing, and research status compared. Which is right for your protocol?

Clavanin
Antimicrobial Peptide

Clavanin is a histidine-rich alpha-helical antimicrobial peptide originally isolated from the tunicate Styela clava. It is active at low pH, suggesting a role in intracellular killing of phagocytosed bacteria....

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Gramicidin S
Antimicrobial Peptide

Gramicidin S (Soviet gramicidin) is a cyclic decapeptide antibiotic discovered in 1942 by Soviet scientists Gause and Brazhnikova from Bacillus brevis, during World War II. It became a frontline topical wound antiseptic for Soviet forces....

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Key Parameters
Parameter Clavanin Gramicidin S
Category Antimicrobial Peptide Antimicrobial Peptide
Research Preclinical Approved (topical, certain countries)
Half-Life Short (minutes) Hours (topical)
Typical Dose N/A (research only) 0.1-0.5% in topical preparations
Frequency N/A As needed
Route Topical / IV (research) Topical
FDA Status Not approved Not FDA approved (approved in USSR/Russia, used in Europe)

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Frequently Asked Questions
What is the difference between Clavanin and Gramicidin S?
Clavanin: Clavanin is a histidine-rich alpha-helical antimicrobial peptide originally isolated from the tunicate Styela clava. It is active at low pH, suggesting a role in intracellular killing of phagocytosed ... Gramicidin S: Gramicidin S (Soviet gramicidin) is a cyclic decapeptide antibiotic discovered in 1942 by Soviet scientists Gause and Brazhnikova from Bacillus brevis, during World War II. It became a frontline topic...
Which has a longer half-life, Clavanin or Gramicidin S?
Clavanin half-life: Short (minutes). Gramicidin S half-life: Hours (topical).
Can you stack Clavanin and Gramicidin S?
Clavanin and Gramicidin S 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.