Thymulin (THLN)

Immune Preclinical

Reviewed by The Peptide Dispatch Editorial Team · Last reviewed July 6, 2026

TL;DR — Thymulin at a Glance

Thymulin (THLN) is a immune peptide, at the preclinical stage in the published literature. Nonapeptide hormone produced by thymic epithelial cells. Essential for T-cell maturation and differentiation.

Nonapeptide hormone produced by thymic epithelial cells. Essential for T-cell maturation and differentiation.

Key Data

Research StatusPreclinical
Half-LifeUnknown
AdministrationSubcutaneous injection
Doses Reported in Published Studies1-10 mcg

Mechanism of Action

Zinc-dependent peptide that modulates T-cell development and immune function.

Reported Benefits

Frequently Asked Questions

What is Thymulin?

Nonapeptide hormone produced by thymic epithelial cells. Essential for T-cell maturation and differentiation.

How does Thymulin work?

Zinc-dependent peptide that modulates T-cell development and immune function.

What is the research status of Thymulin?

Thymulin is at the following stage in the published literature: Preclinical. All information is for research and educational purposes only.

What is the half-life of Thymulin?

Reported half-life: Unknown.

How is Thymulin administered in research?

Reported administration route in the literature: Subcutaneous injection. This is not a recommendation for human use.

Educational content, not medical advice. Effects described are drawn from cited research in study subjects.

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