Indolicidin vs Thymogen

Head-to-head comparison of Indolicidin (Indolicidin (Bovine Neutrophil Antimicrobial Peptide)) and Thymogen (L-Glutamyl-L-Tryptophan) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyIndolicidinThymogen
CategoryImmune SupportImmune Support
Full NameIndolicidin (Bovine Neutrophil Antimicrobial Peptide)L-Glutamyl-L-Tryptophan
Molecular Weight2111 Da345.34 Da
Half-LifeMinutes to hours; protease-sensitive1-2 h
Amino Acids132
Typical DoseResearch use only; no approved human dose100-300 mcg
RouteTopical / Research parenteralIntranasal
Purity≥98%≥98%
Studies Count24060
Research StatusPre-clinicalClinical

Indolicidin Benefits

  • broad-spectrum bactericidal activity
  • anti-biofilm effects
  • membrane disruption
  • innate immune support

Thymogen Benefits

  • cellular-immune-support
  • t-cell-signaling
  • recovery-adjunct
  • infection-resilience

Indolicidin Dosing

0.1–10 µM in vitro|1–10 mg/kg in animal models|No established human dose

Thymogen Dosing

100-300 mcg/day|intranasal or IM|5-10 day cycles

Indolicidin Side Effects

  • cell membrane toxicity at high doses
  • rapid degradation in vivo
  • limited systemic tolerability

Thymogen Side Effects

  • nasal irritation
  • headache
  • hypersensitivity

Research Overview

Indolicidin

Indolicidin has been extensively studied as a prototype antimicrobial peptide with activity against bacteria, fungi, and some viruses. Research has also explored its use in anti-biofilm strategies and as a template for next-generation synthetic antimicrobial peptides.

Thymogen

Thymogen has been studied as a short thymic peptide-like dipeptide with immunoregulatory activity. The literature focuses on lymphocyte function, cytokine modulation, and use in recurrent respiratory infections or immune suppression states.

Ready to buy?

Find both peptides from our verified, lab-tested vendors with purity certificates and third-party testing.

Common Stacking Partners

Indolicidin stacks with:

zincvitamin DN-acetylcysteine

Thymogen stacks with:

Vitamin CVitamin DProbiotics
antimicrobial-peptideanti-biofilmneutrophil-derivedinnate-immunitydipeptideimmunomodulatorthymic-axis