A thymus-derived peptide bioregulator used clinically in Russia and Eastern Europe since the 1980s. Studied for restoring immune function, correcting age-related thymic decline, and improving longevity markers in elderly populations. Approved pharmaceutical in several countries.
What is this used for?
How do you take it?
These are typical doses from research and real prescriptions — not a recommendation for you specifically. Your provider will adjust based on your body, your goals, and your health history.
How well researched is this?
Strong Animal & Lab Research
Approved pharmaceutical in Russia and Eastern Europe with over 30 years of clinical use. Long-term longitudinal data in elderly patients is the strongest evidence base. Limited Western regulatory review.
Legal status
Currently restricted by the FDA and cannot be legally compounded. This status may change — we'll update this page when it does.
2026 reclassification status updates coming soon.
Purity
Purity measures how clean and accurate the compound is. Higher purity means fewer contaminants and more reliable dosing.
HPLC Purity Tested
Always require a Certificate of Analysis (CoA) from a US-based compounding pharmacy.
Common questions
Ready to start?
Consult with a licensed provider to determine the right protocol for your goals.

