Thymulin

Thymulin (Facteur Thymique Sérique) is a zinc-dependent nonapeptide hormone produced by thymic epithelial cells. It plays important roles in T-cell differentiation and immune system maturation.

Mechanism of Action

Requires zinc for biological activity. Promotes T-cell differentiation, modulates cytokine production, and influences neuroendocrine function. Levels decline significantly with age.

Typical Dosage (Research)

Research protocols vary. Often studied alongside zinc supplementation. Typical research doses in the microgram range.

Subcutaneous or intramuscular injection in research settings. Requires adequate zinc status for activity.

Side Effects & Risks

Limited data on exogenous administration. Theoretical effects on immune function require monitoring.

Primarily research compound. Effects on existing autoimmune conditions unknown. May affect immune balance unpredictably.

Who Uses Thymulin

Researchers studying thymic function, those interested in age-related immune decline, longevity-focused biohackers.