What does TB-500 (thymosin beta-4) cost in each channel?
Prices in US dollars at the verification date. Ranges are published list or program prices where a primary source exists; notes say when a figure is a typical market range instead.
| Channel | Price (USD) | Notes |
|---|---|---|
| With insurance | Not published | Not covered. Medicare Part D and commercial pharmacy benefits cover FDA approved drugs for accepted indications; compounded or unapproved peptides are paid in cash. [4] |
| Compounded pharmacy | Not published | No lawful compounded price. TB-500 was withdrawn from 503A Category 2 in April 2026 and recommended for the 503A bulks list by PCAC in July 2026, but the recommendation is advisory: until FDA publishes a final rule it is not on the bulks list, and a 503A pharmacy has no federal basis to compound it from bulk. Advertised clinic prices are not a comparable price, and products sold as research chemicals are not lawful for human use. [1] [2] [3] |
What is the list price of TB-500 (thymosin beta-4)?
There is no list price: TB-500 is not an FDA approved drug and is not on the 503A bulks list, so there is no lawful compounded product to price. Products sold as research chemicals are not lawful for human use and are not a comparable price.
Does insurance cover TB-500 (thymosin beta-4)?
Not covered by commercial plans or Medicare because it is an unapproved compounded product.
What changes the price?
- No lawful compounding basis until FDA adds the substance to the 503A bulks list by final rule
Frequently asked questions
How much does TB-500 (thymosin beta-4) cost without insurance?
No lawful compounded price. TB-500 was withdrawn from 503A Category 2 in April 2026 and recommended for the 503A bulks list by PCAC in July 2026, but the recommendation is advisory: until FDA publishes a final rule it is not on the bulks list, and a 503A pharmacy has no federal basis to compound it from bulk. Advertised clinic prices are not a comparable price, and products sold as research chemicals are not lawful for human use. [1] [2] [3]
Does insurance cover TB-500 (thymosin beta-4)?
Not covered by commercial plans or Medicare because it is an unapproved compounded product. [4]
What is the list price of TB-500 (thymosin beta-4)?
There is no list price: TB-500 is not an FDA approved drug and is not on the 503A bulks list, so there is no lawful compounded product to price. Products sold as research chemicals are not lawful for human use and are not a comparable price.
Related pages
- TB-500 (thymosin beta-4): evidence, legality, and access
- BPC-157 vs TB-500 (BPC-157 cost)
- TB-500 vs GHK-Cu (GHK-Cu cost)
- Thymosin alpha-1 vs TB-500 (thymosin beta-4) (Thymosin alpha-1 cost)
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From the blog
- TB-500 vs thymosin beta-4: is it the same peptide?
TB-500 is not the same molecule as thymosin beta-4. What each one is, which has human data, what is known about capsules and sprays, and what the evidence says about cancer.
Sources
- [1]FDA: July 23-24, 2026 meeting of the Pharmacy Compounding Advisory Committee (BPC-157, KPV, TB-500, MOTS-c, DSIP, semax, epitalon)FDA
- [2]FDA: Bulk drug substances used in compounding under section 503A of the FD&C Act (links to the Category 1, 2, and 3 lists and the bulks list)FDA
- [3]FDA: Certain bulk drug substances for use in compounding may present significant safety risks (Category 2 list and withdrawn nominations, content current as of April 22, 2026)FDA
- [4]Medicare.gov: prescription drug coverage (Part D and outpatient drugs)