Vendor and compound
Glutathione from Simple Peptide
Simple Peptide lists Glutathione at $0.050 per mg, level with the peer median. 1 third-party certificate for this compound from this vendor is on file, assayed by Freedom Diagnostics Testing, averaging 99.82% purity. The cheapest listed price for Glutathione anywhere in the index is $0.020 per mg at ZC Labs.
All Glutathione vendors · Simple Peptide profile · scores 77.2 of 100, rank 11 · 1 certificate for this compound · verified 28 Sept 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 1500 mg | $75 | $0.050 | 0% | Glutathione 1500MG |
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 |
|---|---|---|---|---|---|
| GLUT-062026-1 | 22 Jun 2026 | 99.82% | 1500 mg → 1505.23 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 Glutathione
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Origin Labs | 89.1 | — | 1 |
| Next Gen Peptides | 87.7 | — | 4 |
| ZC Labs | 87.2 | $0.020 | 2 |
| Amino Club | 86.1 | $0.040 | 3 |
| PeptidePlugs | 82.6 | $0.030 | 2 |
| Modern Aminos | 79.7 | $0.090 | 1 |
| Bench Grade Peptides | 79.4 | $0.050 | 1 |
| One Aminos | 78 | $0.070 | 1 |
Ordered by overall evidence score. See every vendor listing Glutathione.
Questions
Is Glutathione from Simple Peptide third-party tested?
Yes. 1 certificate for Glutathione 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 Glutathione cost at Simple Peptide?
$0.050 per milligram, from 1500 mg at $75. The peer median across every vendor we price for Glutathione is $0.050 per mg, so this is 0% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is Simple Peptide a good place to buy Glutathione?
Simple Peptide scores 77.2 of 100 on the published rubric and ranks 11 overall, computed from its documentation rather than from opinion. For Glutathione specifically it has 1 certificate on file. ZC Labs lists it cheaper at $0.020 per mg.