§ 01 Overview
Overview
Complex of thymic peptides developed in Russia for immune restoration and geriatric use.
Russian clinical literature. Limited Western replication.
§ 02 Mechanism
Mechanism of action
Thymalin is a mixture of short peptides extracted from thymic tissue; it is proposed to restore T-cell maturation and immune balance in aging individuals.
- 01Immune restoration in elderly populations (Russian data)
- 02Adjunct use in chronic infection and recovery
§ 03 Dosing
Dosing protocol
Standard Protocol
- Dose Range
- 5 – 10 mg per course
- Route
- IM
- Frequency
- Daily for 5–10 days
- Cycle
- 1–2 courses per year
§ 04 Evidence
Evidence & research
Russian clinical literature. Limited Western replication.
FDA Status
Not FDA-approved.
§ 06 News
In the news
2 articles from the last 12 months · updates hourly
Thymalin’s Potential in Peptide Signaling Research - Gossip Lanka News
Thymalin’s Potential in Peptide Signaling Research Gossip Lanka News
Thymalin peptide: Research potential across biological systems - Euromaidan Press
Thymalin peptide: Research potential across biological systems Euromaidan Press
§ 07 Sourcing
Sourcing & supply
Regulatory status
Restricted from compounding
Placed on the FDA's 503A Category 2 list and cannot be lawfully compounded in the US. No brand pharmacy alternative exists. US buyers encounter only research-use-only (RUO) channels, which the FDA's Intended Use Doctrine treats as unapproved drug sales.
International · 2
Cosmic Nootropic
The most credible Russian / Khavinson source for US buyers. Sources authentic bioregulators through 'Peptides Company' (ex-NPCRIZ).
Rupharma
12+ year Russian pharmacy reseller. Reviews.io 4.84/5 (81+). Has a genuine US warehouse for common peptides.
Listings are informational, not endorsement. Verify credentials and flags against FDA and PCAB databases before purchasing. Full directory & how to verify →
§ 09 Safety
Safety & side effects
Side effects
- 01Injection site reactions
Contraindications
None specified.
§ 10 Questions
Thymalin FAQ
- What is Thymalin?
- Complex of thymic peptides developed in Russia for immune restoration and geriatric use. Thymalin is a mixture of short peptides extracted from thymic tissue; it is proposed to restore T-cell maturation and immune balance in aging individuals.
- What is Thymalin used for?
- Reported uses include immune restoration in elderly populations (russian data) and adjunct use in chronic infection and recovery. Evidence strength is rated Preclinical — see the evidence section for detail.
- How is Thymalin dosed?
- Commonly referenced dosing is 5 – 10 mg per course, typically daily for 5–10 days, administered IM. This is educational reference only; consult a licensed clinician before use.
- What are the side effects of Thymalin?
- Commonly reported side effects include injection site reactions. This list is not exhaustive.
- Is Thymalin legal?
- Placed on the FDA's 503A Category 2 list and cannot be lawfully compounded in the US. No brand pharmacy alternative exists. US buyers encounter only research-use-only (RUO) channels, which the FDA's Intended Use Doctrine treats as unapproved drug sales. FDA status: Not FDA-approved..