Vendor and compound
Glutathione from Ascend Science
Ascend Science lists Glutathione at $0.040 per mg, 20% under the $0.050 peer median. 2 third-party certificates for this compound from this vendor are on file, assayed by Kovera Labs and/or ILS Labs and ILS Laboratories, averaging 99.62% purity. The cheapest listed price for Glutathione anywhere in the index is $0.020 per mg at ZC Labs.
All Glutathione vendors · Ascend Science profile · scores 90.1 of 100, rank 2 · 2 certificates for this compound · verified 18 Aug 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 1500 mg | $55 | $0.037 | -27% | Glutathione |
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. CodePEPINDEX· 15% off applies at checkout.
What the laboratory found
| Lot | Assayed | Purity | Label → assayed | Laboratory | Record |
|---|---|---|---|---|---|
| AS-GLUT600-2 | 8 Aug 2026 | 99.33% | 1500 mg → 580.58 mg | Kovera Labs and/or ILS Labs | Open |
| AS-GLUT1500-2 | 10 Jun 2026 | 99.9% | 1500 mg → 1520.1 mg | ILS Laboratories | Open |
Other vendors selling Glutathione
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Next Gen Peptides | 93.8 | — | 2 |
| Amino Club | 88.3 | $0.040 | 0 |
| Modern Aminos | 88.1 | $0.090 | 1 |
| Origin Labs | 87.7 | — | 1 |
| Bench Grade Peptides | 86.8 | $0.050 | 1 |
| Polaris Peptides | 86.6 | $0.100 | 0 |
| PeptidePlugs | 86.3 | $0.030 | 2 |
| Simple Peptide | 84.9 | $0.050 | 1 |
Ordered by overall evidence score. See every vendor listing Glutathione.
Questions
Is Glutathione from Ascend Science third-party tested?
Yes. 2 certificates for Glutathione from Ascend Science are on file, signed by Kovera Labs and/or ILS Labs and ILS Laboratories. Each names a lot, prints the assayed mass against the labelled mass, and links to the document it was read from.
How much does Glutathione cost at Ascend Science?
$0.040 per milligram, from 1500 mg at $55. The peer median across every vendor we price for Glutathione is $0.050 per mg, so this is -20% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is Ascend Science a good place to buy Glutathione?
Ascend Science scores 90.1 of 100 on the published rubric and ranks 2 overall, computed from its documentation rather than from opinion. For Glutathione specifically it has 2 certificates on file. ZC Labs lists it cheaper at $0.020 per mg.