L-Glutathione
131 vendors · 10 sizes · $0.02–$0.20 per mg at 1500mg · observed Sep 1–Sep 19
16 of the 131 sellers we assessed publish a certificate for the batch they ship.
"Third-party tested" is a claim about who tested it. A certificate you can open is a document. Only the second is counted here.
At 1500mg
How this is ordered Grouped by what each seller publishes about testing, strongest first, and cheapest first inside every group. Nobody is left out — the cheapest sellers on this page are in the last group. Sort by price instead →
Shows you a certificate for the batch COA 15 of 102 sellers we read
The listing publishes a test certificate, or promises one per batch. This is the only group where a document exists to open.
| Vendor | Price | Per mg | |
|---|---|---|---|
| Ironaminos Sep 17 | $32.99 | $0.02 | visit |
| Olympexsolutions Sep 18 | $39.99 | $0.03 | visit |
| Doublerlabs Sep 19 | $44.99 | $0.03 | visit |
| Puregenixpeptides Sep 18 | $45.00 | $0.03 | visit |
| Southernaminos Sep 19 | $56.25 | $0.04 | visit |
| Ankrlab Sep 17 | $59.00 | $0.04 | visit |
| Eliteresearchlab Sep 19 | $59.99 | $0.04 | visit |
| PSPeptides Sep 16 | $69.99 | $0.05 | visit |
| Apex Peptide Supply Sep 16 | $79.99 | $0.05 | visit |
| Huaianhanyoupeptides Sep 19 | $95.00 | $0.06 | visit |
| Modern Peptides Sep 19 | $95.00 | $0.06 | visit |
| Protide Health Sep 16 | $105.00 | $0.07 | visit |
| Olympiapeptides Sep 16 | $125.00 | $0.08 | visit |
| Vertexpeptideslab Sep 18 | $129.00 | $0.09 | visit |
| Warrior Makers Sep 18 | $144.00 | $0.10 | visit |
Says an outside lab tested it — shows nothing 3rd-party 7 of 102 sellers we read
A claim about who did the testing, with no certificate on the listing.
| Vendor | Price | Per mg | |
|---|---|---|---|
| Idunpeptides Sep 17 | $44.99 | $0.03 | visit |
| Treasurecoastpeptides Sep 18 | $50.25 | $0.03 | visit |
| Onedaycompounds Sep 19 | $52.49 | $0.03 | visit |
| Phantompeptides Sep 18 | $58.00 | $0.04 | visit |
| Atomixresearch Sep 17 | $59.99 | $0.04 | visit |
| Rcgenix Sep 18 | $75.00 | $0.05 | visit |
| Directresearchsupply Sep 19 | $170.00 | $0.11 | visit |
Says it was tested — names nobody tested 19 of 102 sellers we read
A claim about method — "HPLC", "lab tested" — naming no laboratory and showing no document.
| Vendor | Price | Per mg | |
|---|---|---|---|
| Retaonelabs Sep 18 | $34.00 | $0.02 | visit |
| S1research Sep 18 | $38.00 | $0.03 | visit |
| Synthera Sep 18 | $44.00 | $0.03 | visit |
| Newbeginningpeps Sep 18 | $44.55 | $0.03 | visit |
| Puratekpeptides Sep 19 | $51.95 | $0.03 | visit |
| Apogeepeptides Sep 15 | $55.00 | $0.04 | visit |
| Ionpeptide Sep 16 | $55.00 | $0.04 | visit |
| Triantex Sep 18 | $59.99 | $0.04 | visit |
| Eliteedgebiotech Sep 17 | $60.00 | $0.04 | visit |
| Eternalpep Sep 17 | $60.00 | $0.04 | visit |
| Biobulkpeptides Sep 17 | $70.00 | $0.05 | visit |
| Optimumcompounds Sep 18 | $70.00 | $0.05 | visit |
| Peptideswarehouse Sep 18 | $74.59 | $0.05 | visit |
| Labratpeptides Sep 17 | $75.00 | $0.05 | visit |
| Myoasislabs Sep 18 | $75.00 | $0.05 | visit |
| Bioscience Peptides Sep 17 | $85.00 | $0.06 | visit |
| Elitemiamipeptides Sep 17 | $89.95 | $0.06 | visit |
| Primelongevitypeptides Sep 18 | $89.95 | $0.06 | visit |
| Spbiolabs Sep 18 | $100.00 | $0.07 | visit |
Nothing about testing in the listing none 61 of 102 sellers we read
We found no mention of testing on the page we read. That is a fact about this listing and not about the seller — they may publish certificates somewhere we have not looked.
| Vendor | Price | Per mg | |
|---|---|---|---|
| Bulkpeptidesupply Sep 17 | $25.00 | $0.02 | visit |
| Research1peptides Sep 18 | $30.00 | $0.02 | visit |
| Deprisinc Sep 17 | $39.00 | $0.03 | visit |
| Gulfcoastaminos Sep 19 | $39.95 | $0.03 | visit |
| Dhpeps Sep 17 | $39.99 | $0.03 | visit |
| Modernresearchpeptides Sep 17 | $39.99 | $0.03 | visit |
| Archerpeptides Sep 17 | $40.00 | $0.03 | visit |
| Shortchainaminos Sep 18 | $40.80 | $0.03 | visit |
| Pinnaclebiosupply Sep 18 | $43.75 | $0.03 | visit |
| Peptideruo Sep 18 | $44.00 | $0.03 | visit |
| Erospeptides Sep 17 | $44.99 | $0.03 | visit |
| Biopepz Sep 17 | $45.00 | $0.03 | visit |
| Trivialbioworks Sep 18 | $48.00 | $0.03 | visit |
| Wellilabs Sep 18 | $48.99 | $0.03 | visit |
| Aminonova Sep 17 | $49.99 | $0.03 | visit |
| Choicepeps Sep 17 | $49.99 | $0.03 | visit |
| Peptideplugs Sep 18 | $50.00 | $0.03 | visit |
| Coloradoresearchpeptides Sep 17 | $55.00 | $0.04 | visit |
| Ethospeptideresearch Sep 17 | $56.00 | $0.04 | visit |
| Luxuryamino Sep 17 | $59.99 | $0.04 | visit |
| Flatironsrc Sep 17 | $60.00 | $0.04 | visit |
| Forgeperformanceco Sep 17 | $60.00 | $0.04 | visit |
| Nulifepeptides Sep 18 | $60.00 | $0.04 | visit |
| Wellnesspeptides Sep 18 | $60.00 | $0.04 | visit |
| Bleaugenics Sep 17 | $62.00 | $0.04 | visit |
| Solidpeptides Sep 18 | $65.00 | $0.04 | visit |
| Canlabintl Sep 17 | $66.00 | $0.04 | visit |
| Athenapeptides Sep 17 | $69.00 | $0.05 | visit |
| Nationwidepeptides Sep 19 | $69.00 | $0.05 | visit |
| Hyteresearchdivision Sep 17 | $69.99 | $0.05 | visit |
| Orosresearch Sep 18 | $69.99 | $0.05 | visit |
| Pillarpeptides Sep 16 | $69.99 | $0.05 | visit |
| Vitalcellpeptides Sep 18 | $69.99 | $0.05 | visit |
| Eliteeons Sep 17 | $70.00 | $0.05 | visit |
| Proxivalabs Sep 18 | $70.00 | $0.05 | visit |
| Puruspeptides Sep 18 | $70.00 | $0.05 | visit |
| Revolutionpeptide Sep 18 | $70.00 | $0.05 | visit |
| Amc Essentials Sep 19 | $74.99 | $0.05 | visit |
| Alphaomegapeptide Sep 17 | $75.00 | $0.05 | visit |
| Health Tides Sep 17 | $75.00 | $0.05 | visit |
| Aiopeptides Sep 17 | $75.20 | $0.05 | visit |
| Absolutepep Sep 17 | $79.00 | $0.05 | visit |
| Mainpeptides Sep 17 | $79.99 | $0.05 | visit |
| Peptidelabs Sep 18 | $79.99 | $0.05 | visit |
| Verifiedpeptides Sep 18 | $79.99 | $0.05 | visit |
| Fortifyyourtemple Sep 18 | $80.00 | $0.05 | visit |
| Primepeptides Sep 18 | $80.00 | $0.05 | visit |
| Mpeptidesscience Sep 19 | $88.00 | $0.06 | visit |
| Modifiedaminos Sep 19 | $89.99 | $0.06 | visit |
| Rebirthlabs Sep 18 | $89.99 | $0.06 | visit |
| Certified Pep Sep 17 | $90.00 | $0.06 | visit |
| Hydroresearchpeptides Sep 17 | $95.00 | $0.06 | visit |
| Apexamino Sep 19 | $110.00 | $0.07 | visit |
| Purefusionpeptide Sep 18 | $110.00 | $0.07 | visit |
| Transformapeptides Sep 18 | $119.00 | $0.08 | visit |
| Bluelineresearch Sep 17 | $130.00 | $0.09 | visit |
| Garygpm Sep 17 | $150.00 | $0.10 | visit |
| Peptidedirect Sep 16 | $150.00 | $0.10 | visit |
| Aeylabs Sep 17 | $165.00 | $0.11 | visit |
| Bulkpeptidewholesale Sep 17 | $175.00 | $0.12 | visit |
| Glacieraminos Sep 19 | $300.92 | $0.20 | visit |
Withheld from this comparison: 2 listings priced far outside this compound's range and 4 sellers publishing in another currency. We publish only prices we read in US dollars, and we convert nothing.
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Want to be told when L-Glutathione moves? Watch this price → We haven't started sending these yet — this is us finding out whether anybody wants them.