Epithalon vs Thymalin: price and facts compared (2026)
At the standard size, Epithalon is the cheaper of the two today at $29.99 from Modified Aminos. Both are research-use-only materials and are not substitutes for each other.
| Epithalon | Thymalin | |
|---|---|---|
| Category | Bioregulators | Bioregulators |
| Standard size | 10mg | 20mg |
| All sizes | 10mg, 50mg, 100mg | 10mg, 20mg, 100mg |
| Cheapest now | $29.99 at Modified Aminos | $70.00 at American Peptides |
| Price per mg | $3.00/mg | $3.50/mg |
| Vendors | 3 | 1 |
| Forms | Vial | Vial |
| Regulatory status | Not approved for human use anywhere; sold only as a research chemical. | Registered as a medicine in Russia; not approved in the US or EU. |
| Stock | In stock | In stock |
Epithalon (Epitalon) is a synthetic tetrapeptide bioregulator (Ala-Glu-Asp-Gly) based on epithalamin, a pineal extract studied by the Khavinson group in St Petersburg. It is sold lyophilized in 10–100 mg vials.
Epithalon prices →Thymalin is a polypeptide bioregulator derived from calf thymus, studied in Russian immunology research since the 1980s. It is sold lyophilized in 10–100 mg vials.
Thymalin prices →Questions
Prices are read from each vendor's product page weekly, converted to the price after any listed code, and shown before shipping. Stock status is captured at the same time. Rankings are by price only. PeptideTech earns a commission when you buy through a link; it never changes the order.
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