Vendor and compound
Glutathione from Prime Peptides
Prime Peptides 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 Bioviridian Inc., averaging 99.80% purity. The cheapest listed price for Glutathione anywhere in the index is $0.020 per mg at ZC Labs.
All Glutathione vendors · Prime Peptides profile · scores 82.6 of 100, rank 12 · 1 certificate for this compound · verified 1 Aug 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 1500 mg | $80 | $0.053 | +7% | 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.
What the laboratory found
| Lot | Assayed | Purity | Label → assayed | Laboratory | Record |
|---|---|---|---|---|---|
| 3152026GLU | 24 Apr 2026 | 99.8% | 1500 mg → 1508.43 mg | Bioviridian Inc. | Open |
Other vendors selling Glutathione
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Next Gen Peptides | 93.8 | — | 2 |
| Ascend Science | 90.1 | $0.040 | 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 |
Ordered by overall evidence score. See every vendor listing Glutathione.
Questions
Is Glutathione from Prime Peptides third-party tested?
Yes. 1 certificate for Glutathione from Prime Peptides is on file, signed by Bioviridian Inc.. 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 Prime Peptides?
$0.050 per milligram, from 1500 mg at $80. 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 Prime Peptides a good place to buy Glutathione?
Prime Peptides scores 82.6 of 100 on the published rubric and ranks 12 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.