Vendor and compound
TB-500 from Simple Peptide
Simple Peptide lists TB-500 at $6.50 per mg, 2% over the $6.35 peer median. 1 third-party certificate for this compound from this vendor is on file, assayed by Freedom Diagnostics Testing, averaging 99.50% purity. The cheapest listed price for TB-500 anywhere in the index is $1.18 per mg at Hydro Research Peptides.
All TB-500 vendors · Simple Peptide profile · scores 84.9 of 100, rank 10 · 1 certificate for this compound · verified 28 Sept 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 10 mg | $65 | $6.50 | +2% | TB-500 (Thymosin Beta-4) |
Read from the vendor’s own store and normalised per milligram, because a smaller vial at a lower sticker price is usually the dearer peptide.
What the laboratory found
| Lot | Assayed | Purity | Label → assayed | Laboratory | Record |
|---|---|---|---|---|---|
| TB15-01092026-J | 21 Mar 2026 | 99.505% | 15 mg → 15.15 mg | Freedom Diagnostics Testing | Open |
Freedom Diagnostics Testing publishes a lookup, so these reports can be confirmed at the laboratory rather than taken from the vendor. How to check one.
Other vendors selling TB-500
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Next Gen Peptides | 93.8 | $3.50 | 3 |
| Ascend Science | 90.1 | $4.90 | 0 |
| Amino Club | 88.3 | $4.00 | 1 |
| Modern Aminos | 88.1 | $5.90 | 0 |
| Origin Labs | 87.7 | $3.00 | 0 |
| Bench Grade Peptides | 86.8 | $4.10 | 4 |
| Polaris Peptides | 86.6 | $7.00 | 3 |
| Hydro Research Peptides | 86.5 | $1.18 | 0 |
Ordered by overall evidence score. See every vendor listing TB-500.
Questions
Is TB-500 from Simple Peptide third-party tested?
Yes. 1 certificate for TB-500 from Simple Peptide is on file, signed by Freedom Diagnostics Testing. Each names a lot, prints the assayed mass against the labelled mass, and links to the document it was read from. Freedom Diagnostics Testing also publishes a lookup, so the report can be confirmed at the laboratory rather than taken from the vendor.
How much does TB-500 cost at Simple Peptide?
$6.50 per milligram, from 10 mg at $65. The peer median across every vendor we price for TB-500 is $6.35 per mg, so this is +2% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is Simple Peptide a good place to buy TB-500?
Simple Peptide scores 84.9 of 100 on the published rubric and ranks 10 overall, computed from its documentation rather than from opinion. For TB-500 specifically it has 1 certificate on file. Hydro Research Peptides lists it cheaper at $1.18 per mg.