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Thymalin: dosing evidence

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Human schedule

Thymalin is a lyophilized thymic peptide reconstituted in 1–2 ml of isotonic saline before use and given by intramuscular injection (not intravenously). Below is a generalized reference drawn from published protocols.

This is a concise reference to regimens described for adults; it is not an individual prescription.

Thymalin's dosing instructions in the schedule below describe a course-based administration pattern, not a single dose or an ongoing daily one.

Period / conditionDoseEscalation
Typical course10 mg IM once daily, 5–10 daysStarting schedule
Dose range5–20 mg per day (30–100 mg per course)Increase if needed
Course repeatSame courseEvery 6–12 months
Practical dosing and effect details

Thymalin, a complex of low-molecular-weight peptides isolated from the thymus, is used not as a daily medication but as a bounded course: 10 mg intramuscularly once daily for 5–10 days, totaling 30–100 mg per course.

The arithmetic lines up with the table: 5 days at 10 mg gives 50 mg, 10 days at 10 mg gives 100 mg, both fall inside the stated 30–100 mg course range, and a lower daily dose closer to 5 mg is what a longer course within the same total range implies.

This course-based dosing, rather than continuous administration, is typical of Soviet- and post-Soviet-era thymic peptide preparations: a short, intensive course lets a defined set of parameters be assessed before deciding whether to repeat it. The 6–12 month interval between courses shown in the table reflects that same course-based approach. This is a generalized reference to protocols described in the literature, not a medical recommendation and not instructions for self-administration without specialist guidance.

This reference is research-use material. The information is not medical advice and is not intended for diagnosis, treatment or prevention of disease.