Thymalin
A peptide from the thymus gland, studied for immune regulation and immune aging.
Best value right now · 20 mg
Paramount Peptides
IN STOCKTRUST 6.7
Per mg
Vial price20 mg · verified Aug 21
Compare 3 vendors · 20 mg
VendorStock
02
Behemoth LabzUNTESTED · OUT
$3.95$78.98
Thymalin prices verified Aug 21, 2026
$4.04/mgParamount Peptides · $80.75
Buy best pricePrice movement · 30 days
0%median per mg, all sizes
Cheapest ever recorded: $1.58/mg on Aug 15. Today is 155.6% above that low.See our top-ranked Thymalin vendors
Ranked by Finnrick trust score, independent lab testing, and price.
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 14 vendors, priced from $43.45 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
- 12 of 14 vendors currently have it in stock
- Highest-rated vendor: Peptidology (7.6 Finnrick score)
- Most common vial size: 10mg
- Category: Immune / Inflammation — Immune modulators and anti-inflammatory peptides
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