Thymogen vs Pidotimod

Head-to-head comparison of Thymogen (L-Glutamyl-L-Tryptophan) and Pidotimod (3-L-Pyroglutamyl-L-Thiazolidine-4-Carboxylic Acid) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyThymogenPidotimod
CategoryImmune SupportImmune Support
Full NameL-Glutamyl-L-Tryptophan3-L-Pyroglutamyl-L-Thiazolidine-4-Carboxylic Acid
Molecular Weight345.34 Da244.27 Da
Half-Life1-2 h3-4 h
Amino Acids22
Typical Dose100-300 mcg400-800 mg/day
RouteIntranasalOral
Purity≥98%≥98%
Studies Count60200
Research StatusClinicalClinical

Thymogen Benefits

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

Pidotimod Benefits

  • oral-immune-support
  • respiratory-infection-adjunct
  • innate-immunity
  • adaptive-immunity-support

Thymogen Dosing

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

Pidotimod Dosing

400 mg PO BID|typically 15-30 days|repeated seasonal cycles in studies

Thymogen Side Effects

  • nasal irritation
  • headache
  • hypersensitivity

Pidotimod Side Effects

  • nausea
  • diarrhea
  • rash

Research Overview

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.

Pidotimod

Pidotimod has human data in recurrent infections, especially where immune stimulation or reduced infection frequency is the target. Published work commonly reports improvements in phagocyte function, mucosal defense, and fewer respiratory infection episodes.

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Common Stacking Partners

Thymogen stacks with:

Vitamin CVitamin DProbiotics

Pidotimod stacks with:

Vitamin DZincQuercetin
dipeptideimmunomodulatorthymic-axisoral-immunomodulatordipeptide-derivativerespiratory-infection