50% below the 10 mg middle price
Chromate, Janoshik Analytical, 2026-08-20
14 sellers, $5.50 to $31.0 per milligram, middle price $11.0, read 2026-09-30.
Some seller links may pay this site when you buy through them. A payment never changes a seller's tier or rank, and no seller has a say in any page.
Best value with a certificate: GenPeptide, $55.0 for 10 mg, $5.50 per mg. Thymosin Beta-4 10 mg middle price is $11.0 per mg across 14 sellers.
50% below the 10 mg middle price
Chromate, Janoshik Analytical, 2026-08-20
32% below the 10 mg middle price
MZ Biolabs, 2026-06-30
36% below the 10 mg middle price
Analytical Formulations, 2025-10-05
30% below the 10 mg middle price
Janoshik Analytical, 2025-10-29
5% below the 10 mg middle price
MZ Biolabs, 2022-12-23
20% above the 10 mg middle price
Analytical Formulations, Janoshik Analytical, 2025-08-23
27% above the 10 mg middle price
Janoshik Analytical, 2025-05-14
36% above the 10 mg middle price
Certificate with a batch number, no laboratory named
38% below the 10 mg middle price
Site says it tests; the certificates sit behind a login or a bot wall and none could be read
9% below the 10 mg middle price
No testing claim and no certificate found
level with the 10 mg middle price
Site says it tests; the certificates sit behind a login or a bot wall and none could be read
9% above the 10 mg middle price
Site says it tests; no certificate could be found
9% above the 10 mg middle price
Site says it tests; no certificate could be found
136% above the 10 mg middle price
Site says it tests; no certificate could be found
182% above the 10 mg middle price
Site says it tests; no certificate could be found
15 of 15 listings at 10 mg, sorted grade first, then price per mg.
Thymosin Beta-4 10 mg was first read on 2026-09-30. Middle price $11.0 per milligram across 14 sellers. A week-by-week line appears after the next finished weekly walk. One week is a snapshot, not a history.
The figure is the same ungated market median the range on this page uses: every seller found. Certificate tier still ranks the cards. The purity gate is written and off, so this is not a tested-sellers-only series.
We never charge for knowledge. No vendor has a say in what a page says. Sellers are ranked by the certificate they publish, then by price. Every size of Thymosin Beta-4 · Laboratories named