Thymalin dosage: reported doses and schedule

A calf thymus extract studied for immune problems, with uncertain safety and product identity.

Also called: Timalin, Thymalinum, Thymaline, Тималин.

Khavinson bioregulator peptides · Calf-thymus polypeptide extract.

Typical reported dose: 5–20 mg once a day, 30–100 mg per course

  • COVID-19: 10 mg for 10 days: 10 mg once daily for 10 days once daily, into muscle. Studied in a trial. Studied in: Hospitalised adults with severe COVID-19. (source)
  • COVID-19: 10 mg for five days: 10 mg once daily for 5 days once daily, into muscle. Studied in a trial. Studied in: Adults hospitalised with moderate or severe COVID-19. (source)
  • Older adults: two annual courses: 10 mg daily for 10 days in 1996, repeated in 1997 once daily during each course, into muscle. Studied in a trial. Studied in: Women aged 66–94 in a veterans home. (source)
  • Two annual courses of both extracts: 10 mg Thymalin plus 10 mg Epithalamin daily for 10 days once daily during each course, into muscle. Studied in a trial. Studied in: Women aged 66–94 in the randomized veterans-home study. (source)
  • Older adults: five spaced doses: 10 mg per injection; 5 injections every 2–3 days one injection every 2–3 days, into muscle. Studied in a trial. Studied in: Older adults with accelerated ageing or coronary disease. (source)
  • Annual Thymalin and Epithalamin: 10 mg Thymalin plus 10 mg Epithalamin daily for 10 days once daily during each course, into muscle. Studied in a trial. Studied in: Separate group of 20 older adults. (source)

These are doses reported in labels, trials or user reports, not a personal plan. Check the source behind each one.

Work out syringe units with the dosing calculator

Related to Thymalin

Sources

Sources checked: 2026-10-18.

Information only, not medical advice. Peptifacts does not sell anything and does not link to sellers.