Side-by-Side Comparison · 2026

Gramicidin A vs Teixobactin

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

Gramicidin A
Antimicrobial Peptide

Gramicidin A is a 15-residue linear peptide antibiotic from Bacillus brevis, distinct from the cyclic gramicidin S despite sharing the same producer organism. Gramicidin A is the active component in Neosporin and other topical antibiotic combinations....

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Teixobactin
Antimicrobial Peptide

Teixobactin was reported in Nature in 2015 as the first new antibiotic class discovered in 30 years, isolated from uncultured soil bacteria Eleftheria terrae using the iChip (isolation chip) technology that allows cultivation of previously unculturable organisms. Teixobactin bind...

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Key Parameters
Parameter Gramicidin A Teixobactin
Category Antimicrobial Peptide Antimicrobial Peptide
Research Approved (topical combination) Preclinical
Half-Life Hours (membrane-bound) Hours (in vivo)
Typical Dose Component of Neosporin and similar products N/A
Frequency As needed N/A
Route Topical (combination products) Research only (IV in animal studies)
FDA Status Approved (topical combination) Not approved (preclinical)

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Frequently Asked Questions
What is the difference between Gramicidin A and Teixobactin?
Gramicidin A: Gramicidin A is a 15-residue linear peptide antibiotic from Bacillus brevis, distinct from the cyclic gramicidin S despite sharing the same producer organism. Gramicidin A is the active component in N... Teixobactin: Teixobactin was reported in Nature in 2015 as the first new antibiotic class discovered in 30 years, isolated from uncultured soil bacteria Eleftheria terrae using the iChip (isolation chip) technolog...
Which has a longer half-life, Gramicidin A or Teixobactin?
Gramicidin A half-life: Hours (membrane-bound). Teixobactin half-life: Hours (in vivo).
Can you stack Gramicidin A and Teixobactin?
Gramicidin A and Teixobactin 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.