Vendor and compound
Thymosin Alpha-1 from Ascension Peptides
Ascension Peptides lists Thymosin Alpha-1 at $7.10 per mg, 1% under the $7.20 peer median. 1 third-party certificate for this compound from this vendor is on file, assayed by MZ Biolabs, averaging 99.44% purity. The cheapest listed price for Thymosin Alpha-1 anywhere in the index is $3.90 per mg at Eternal Peptides.
All Thymosin Alpha-1 vendors · Ascension Peptides profile · scores 79 of 100, rank 17 · 1 certificate for this compound · verified 18 Aug 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 10 mg | $71 | $7.10 | -1% | Thymosin Alpha 1 (10MG) |
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 |
|---|---|---|---|---|---|
| 33-01260229 | 7 Feb 2026 | 99.44% | 10 mg → 12.94 mg | MZ Biolabs | Open |
Other vendors selling Thymosin Alpha-1
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Next Gen Peptides | 93.8 | — | 2 |
| Ascend Science | 90.1 | $5.25 | 0 |
| Amino Club | 88.3 | $4.00 | 0 |
| Modern Aminos | 88.1 | $8.00 | 2 |
| Bench Grade Peptides | 86.8 | $12.10 | 0 |
| Polaris Peptides | 86.6 | $6.50 | 0 |
| PeptidePlugs | 86.3 | $6.00 | 2 |
| Simple Peptide | 84.9 | $8.60 | 1 |
Ordered by overall evidence score. See every vendor listing Thymosin Alpha-1.
Questions
Is Thymosin Alpha-1 from Ascension Peptides third-party tested?
Yes. 1 certificate for Thymosin Alpha-1 from Ascension Peptides is on file, signed by MZ Biolabs. Each names a lot, prints the assayed mass against the labelled mass, and links to the document it was read from.
How much does Thymosin Alpha-1 cost at Ascension Peptides?
$7.10 per milligram, from 10 mg at $71. The peer median across every vendor we price for Thymosin Alpha-1 is $7.20 per mg, so this is -1% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is Ascension Peptides a good place to buy Thymosin Alpha-1?
Ascension Peptides scores 79 of 100 on the published rubric and ranks 17 overall, computed from its documentation rather than from opinion. For Thymosin Alpha-1 specifically it has 1 certificate on file. Eternal Peptides lists it cheaper at $3.90 per mg.