Thymosin Alpha-1
Immune / InflammationA thymic peptide that modulates immune function. FDA-orphan drug approved and used clinically in many countries for immune support.
Starting from
$28.50
Vendors tracked
29
Prices updated
Apr 8, 2026
Compare Prices
Select Dosage
— most common size pre-selected
Ruo BioBest Value
Price
$28.50
Per mg
$5.70
Modern Research
Price
$39.99
Per mg
$8.00
Ion Peptide
Price
$42.00
Per mg
$8.40
Pepvida Labs
Price
$44.00
Per mg
$8.80
SwissChems
Price
$63.99
Per mg
$12.80
Behemoth Labz
Price
$84.86
Per mg
$16.97
Ageless Vitality Peptides
Price
$99.00
Per mg
$19.80
Ruo BioBest Value | — | $28.50 | $5.70 | Yes | |
Modern Research | — | $39.99 | $8.00 | Yes | |
Ion Peptide | — | $42.00 | $8.40 | Yes | |
Pepvida Labs | — | $44.00 | $8.80 | Yes | |
SwissChems | 3.6/10 | $63.99 | $12.80 | Yes | |
Behemoth Labz | — | $84.86 | $16.97 | Yes | |
Ageless Vitality Peptides | — | $99.00 | $19.80 | Yes |
Prices verified as of April 8, 2026
Quick Summary
An immune-boosting peptide approved in 35+ countries for hepatitis and cancer support — one of the most clinically studied peptides available. Available from 29 vendors, priced from $28.50 to $130.00.
Research: Studied in over 4,400 patients across controlled clinical trials and approved in 35+ countries as Zadaxin. Holds FDA Orphan Drug status for hepatitis B, liver cancer, and DiGeorge syndrome.
Side effects: Injection site irritation, Rare fever, Fatigue, Muscle aches
Approved internationallyApproved in 35+ countries; FDA Orphan Drug designation
- 27 of 29 vendors currently have it in stock
- Highest-rated vendor: Orbitrex Peptides (9.0 Finnrick score)
- Most common vial size: 10mg
- Category: Immune / Inflammation — Immune modulators and anti-inflammatory peptides
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