Thymalin
Immune / InflammationA bioregulatory peptide extracted from the thymus gland. Studied for immune system regulation and potential anti-aging effects on immune function.
Starting from
$20.00
Vendors tracked
16
Prices updated
May 21, 2026
Compare Prices
Select Dosage
— most common size pre-selected
Ruo BioBest Value
Price
$20.00
Per mg
$1.00
Behemoth Labz
Price
$78.98
Per mg
$3.95
Paramount Peptides
Price
$110.00
Per mg
$5.50
Peptide Sciences
Price
$120.00
Per mg
$6.00
Ruo BioBest Value | — | $20.00 | $1.00 | Yes | |
Behemoth Labz | — | $78.98 | $3.95 | No | |
Paramount Peptides | 6.7/10 | $110.00 | $5.50 | Yes | |
Peptide Sciences | 7.2/10 | $120.00 | $6.00 | Yes |
Prices verified as of May 23, 2026
Quick Summary
A Russian immune-boosting peptide with 40+ years of clinical use, studied for helping elderly patients fight off infections and age-related immune decline. Available from 16 vendors, priced from $20.00 to $390.00.
Research: In a 6-8 year study of 266 elderly patients, thymalin treatment cut mortality in half and reduced respiratory infections by 2-2.4x compared to untreated controls.
Side effects: Minimal reported side effects, Rare mild injection site reactions
Approved internationallyApproved in Russia since the 1980s; not FDA-approved
- 14 of 16 vendors currently have it in stock
- Highest-rated vendor: Paradigm Peptide (8.9 Finnrick score)
- Most common vial size: 10mg
- Category: Immune / Inflammation — Immune modulators and anti-inflammatory peptides
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