search.peptides

Peptides / TB-500 (Thymosin Beta-4)

TB-500 (Thymosin Beta-4)

65 listings from 36 vendors, from $1.83/mg. 5 of 16 independent lab tests passed. Prices checked .

Built for researchers comparing TB-500 (Thymosin Beta-4) vendors before they buy. It is sold for research in many vial sizes and pack counts, so the listings below are ranked by US dollars per milligram rather than sticker price. A low price per mg says nothing about what is in the vial: the lab column shows whether each vendor has passed an independent test, and the methodology explains what a pass means. Published research on TB-500 (Thymosin Beta-4): PubMed. For research use only; not medical advice.

Lab results by vendor (11)
VendorPassedFailedTestsLatest
Ningbo Shuyou Plasticization2022026-08-05
FSD1022026-08-06
Bulk Peptide Supply1012026-06-24
NuLife Peptides1012026-05-06
Bionexis Peptides0222026-09-04
Cocer Peptides0222026-03-12
Orbitrex Peptides0222026-09-24
Guangzhou Lengiuanhuang Cosmetics0112026-07-13
Heman Peptide HM0112026-09-17
Peptide Crafters0112026-09-04
Wuhan Wansheng Biotechnology0112026-09-18

65 listings

TB-500 (Thymosin Beta-4): quick answers

What is the cheapest TB-500 (Thymosin Beta-4) per mg?

LiliPeptide, at $1.83/mg: $183 for 10 mg × 10 as of 2026-10-19. Prices are the vendor’s own, converted to USD.

Which TB-500 (Thymosin Beta-4) vendors passed an independent lab test?

4 of 11 tested vendors passed at least one test: Ningbo Shuyou Plasticization, FSD, Bulk Peptide Supply, NuLife Peptides.

How many vendors sell TB-500 (Thymosin Beta-4)?

36 vendors, with 65 listings between them as of 2026-10-19.

Where do the lab results and vendor scores come from?

From Finnrick's independent lab testing; this site is not affiliated with Finnrick or any vendor. The methodology page explains the score, what “passed” means and how price per mg is worked out.

How scores, lab results and price per mg work

Related: TB-500