Peptimes

Track Thymalin in Peptimes

Thymalin is a thymus preparation, not a single synthetic peptide. The US National Library of Medicine's MeSH vocabulary lists it as a substance under thymus hormones. (Source: NLM MeSH.)

Is Thymalin FDA-approved?

Not in the US. Thymalin isn't FDA-approved in the US: Drugs@FDA lists no application with thymalin as an active ingredient.

Checked 25 Oct 2026. The sources are below.

Thymalin

Also: thymus extract, calf thymus polypeptide extract

Status label in the Peptimes Library
Approved outside the US
Routes in Peptimes
Intramuscular
Updated
25 Oct 2026

US regulatory status

  • FDA status

    Not FDA-approved in the US. Drugs@FDA lists no application with thymalin as an active ingredient.

    Source: Drugs@FDA, checked 25 Oct 2026

How to track it in Peptimes

Add Thymalin in My Protocols and set the schedule you already follow: days of the week, times of day and a start date. Peptimes never suggests an amount when you log or schedule a dose. Its Library entry shows the status label “Approved outside the US”. In the US it is not FDA-approved. It is a separate Library entry from Thymosin Alpha-1.

  • Route: intramuscular.
  • Logging: the amount you took and how you feel.
  • Injection sites: each dose records the site, and Insights shows where you’ve injected and how recently. It never suggests where to inject next.
  • Reminders and history: reminders at your times, Dose History, the Calendar and CSV or JSON export work as described on the peptide tracker app page.

Peptimes is a tracking app, not medical advice. Talk to a licensed clinician about your treatment. Peptimes doesn’t sell Thymalin or any other compound.

More sources

  • US National Library of Medicine, MeSH, thymalin, checked 25 Oct 2026: a supplementary substance record mapped to the heading Thymus Hormones.

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