Semax
180 vendors · 9 sizes · $1.75–$18.50 per mg at 10mg · observed Sep 1–Sep 20
19 of the 184 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 10mg
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 14 of 127 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 | $24.99 | $2.50 | visit |
| Gentlemanpeptides Sep 17 | $26.00 | $2.60 | visit |
| Southernaminos Sep 19 | $33.00 | $3.30 | visit |
| Researchchemhq Sep 18 | $34.99 | $3.50 | visit |
| Ankrlab Sep 17 | $39.00 | $3.90 | visit |
| Eliteresearchlab Sep 19 | $39.99 | $4.00 | visit |
| Forgeperformanceco Sep 17 | $40.00 | $4.00 | visit |
| Puregenixpeptides Sep 18 | $40.00 | $4.00 | visit |
| Modern Peptides Sep 19 | $46.00 | $4.60 | visit |
| Nexxgenpeptides Sep 19 | $47.00 | $4.70 | visit |
| Labtrustpeptides Sep 17 | $49.99 | $5.00 | visit |
| Apex Peptide Supply Sep 16 | $54.99 | $5.50 | visit |
| Sports Technology Labs Sep 15 | $79.99 | $8.00 | visit |
| Synergybiopeps Sep 18 | $89.99 | $9.00 | visit |
Says an outside lab tested it — shows nothing 3rd-party 11 of 127 sellers we read
A claim about who did the testing, with no certificate on the listing.
| Vendor | Price | Per mg | |
|---|---|---|---|
| Evolvebiopep Sep 17 | $24.99 | $2.50 | visit |
| Idunpeptides Sep 17 | $24.99 | $2.50 | visit |
| Pepvidalabs Sep 19 | $25.00 | $2.50 | visit |
| Onedaycompounds Sep 19 | $29.99 | $3.00 | visit |
| Fixionfuel Sep 17 | $32.00 | $3.20 | visit |
| Treasurecoastpeptides Sep 18 | $37.00 | $3.70 | visit |
| Phantompeptides Sep 18 | $38.00 | $3.80 | visit |
| Sfbayareapeptides Sep 18 | $39.95 | $4.00 | visit |
| Pulseresearchexpansion Sep 18 | $49.99 | $5.00 | visit |
| Purelabperformance Sep 18 | $114.99 | $11.50 | visit |
| Directresearchsupply Sep 19 | $185.00 | $18.50 | visit |
Says it was tested — names nobody tested 25 of 127 sellers we read
A claim about method — "HPLC", "lab tested" — naming no laboratory and showing no document.
| Vendor | Price | Per mg | |
|---|---|---|---|
| Retaonelabs Sep 18 | $26.00 | $2.60 | visit |
| Synthera Sep 18 | $29.00 | $2.90 | visit |
| Newbeginningpeps Sep 18 | $29.70 | $2.97 | visit |
| Mypurepeptide Sep 17 | $30.00 | $3.00 | visit |
| Puratekpeptides Sep 19 | $32.95 | $3.30 | visit |
| Choicepeps Sep 17 | $35.99 | $3.60 | visit |
| Charlestonpeptidesupply Sep 17 | $39.99 | $4.00 | visit |
| Athenapeptides Sep 17 | $45.00 | $4.50 | visit |
| Inpeptides Sep 17 | $45.00 | $4.50 | visit |
| Labratpeptides Sep 17 | $45.00 | $4.50 | visit |
| Myoasislabs Sep 18 | $45.00 | $4.50 | visit |
| Peptidehub Sep 16 | $45.00 | $4.50 | visit |
| Proxivalabs Sep 20 | $45.00 | $4.50 | visit |
| Happypeptides Sep 17 | $48.00 | $4.80 | visit |
| Ionpeptide Sep 16 | $49.00 | $4.90 | visit |
| Apogeepeptides Sep 16 | $50.00 | $5.00 | visit |
| Eternalpep Sep 17 | $55.00 | $5.50 | visit |
| Spbiolabs Sep 18 | $58.80 | $5.88 | visit |
| Platinumpeptides Sep 19 | $64.95 | $6.50 | visit |
| Oath Research Sep 16 | $65.00 | $6.50 | visit |
| Westpeptides Sep 16 | $69.99 | $7.00 | visit |
| Huaianhanyoupeptides Sep 19 | $75.00 | $7.50 | visit |
| Klenepeptides Sep 17 | $75.00 | $7.50 | visit |
| Ironpeptidesstore Sep 19 | $79.99 | $8.00 | visit |
| Peptidesourcehub Sep 18 | $94.90 | $9.49 | visit |
Nothing about testing in the listing none 77 of 127 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 | $17.50 | $1.75 | visit |
| Trueformpeptides Sep 18 | $24.99 | $2.50 | visit |
| Biopepz Sep 17 | $25.00 | $2.50 | visit |
| Championpeptides Sep 19 | $25.00 | $2.50 | visit |
| Forge Science Sep 17 | $25.00 | $2.50 | visit |
| Research1peptides Sep 18 | $25.00 | $2.50 | visit |
| Aminosupplyco Sep 17 | $26.00 | $2.60 | visit |
| Maximumpeps Sep 17 | $26.99 | $2.70 | visit |
| Archerpeptides Sep 17 | $28.00 | $2.80 | visit |
| Cosmicpeptides Sep 19 | $28.99 | $2.90 | visit |
| Peptideruo Sep 18 | $29.00 | $2.90 | visit |
| Gulfcoastaminos Sep 19 | $29.95 | $3.00 | visit |
| Luxuryamino Sep 17 | $29.99 | $3.00 | visit |
| Wellilabs Sep 18 | $29.99 | $3.00 | visit |
| Deprisinc Sep 17 | $30.00 | $3.00 | visit |
| U Glow Peptides Sep 18 | $30.00 | $3.00 | visit |
| Zimbio Sep 19 | $30.00 | $3.00 | visit |
| Peptideswarehouse Sep 18 | $33.59 | $3.36 | visit |
| Bourbonpeptides Sep 17 | $34.99 | $3.50 | visit |
| Erospeptides Sep 17 | $34.99 | $3.50 | visit |
| Novapeptidesupply Sep 18 | $34.99 | $3.50 | visit |
| Alphapeps Sep 17 | $35.00 | $3.50 | visit |
| Compoundpurity Sep 17 | $35.00 | $3.50 | visit |
| Felixchem Sep 17 | $35.00 | $3.50 | visit |
| Hydroresearchpeptides Sep 17 | $35.00 | $3.50 | visit |
| Maddogpeps Sep 17 | $35.00 | $3.50 | visit |
| Puruspeptides Sep 18 | $35.00 | $3.50 | visit |
| Redcapelabs Sep 18 | $35.00 | $3.50 | visit |
| Solidpeptides Sep 18 | $35.00 | $3.50 | visit |
| Doublerlabs Sep 19 | $35.99 | $3.60 | visit |
| Direct Peptides Sep 16 | $39.00 | $3.90 | visit |
| Amc Essentials Sep 19 | $39.99 | $4.00 | visit |
| Dhpeps Sep 17 | $39.99 | $4.00 | visit |
| Pillarpeptides Sep 16 | $39.99 | $4.00 | visit |
| Rebirthlabs Sep 18 | $39.99 | $4.00 | visit |
| Pepixlabs Sep 18 | $40.00 | $4.00 | visit |
| Peptideplugs Sep 18 | $40.00 | $4.00 | visit |
| RUO.bio Sep 16 | $40.00 | $4.00 | visit |
| Aiopeptides Sep 17 | $40.80 | $4.08 | visit |
| Bleaugenics Sep 17 | $42.00 | $4.20 | visit |
| Pinnaclebiosupply Sep 18 | $43.75 | $4.38 | visit |
| Baysidepeptides Sep 17 | $43.99 | $4.40 | visit |
| Apexamino Sep 19 | $45.00 | $4.50 | visit |
| Ascendpeptidesusa Sep 17 | $45.00 | $4.50 | visit |
| Legendarypeptides Sep 17 | $45.00 | $4.50 | visit |
| Nextechlaboratories Sep 18 | $45.00 | $4.50 | visit |
| Peptaverse Sep 18 | $45.00 | $4.50 | visit |
| Primepeptides Sep 18 | $45.00 | $4.50 | visit |
| Peptidelabs Sep 18 | $45.99 | $4.60 | visit |
| Honest Peptide Sep 16 | $49.00 | $4.90 | visit |
| Horizonlabsbio Sep 17 | $49.99 | $5.00 | visit |
| Hyteresearchdivision Sep 17 | $49.99 | $5.00 | visit |
| Longevityprolabs Sep 17 | $50.00 | $5.00 | visit |
| Nulifepeptides Sep 18 | $50.00 | $5.00 | visit |
| Reliablepeptides Sep 18 | $50.00 | $5.00 | visit |
| Yoursoma Sep 18 | $51.00 | $5.10 | visit |
| Certified Pep Sep 17 | $54.00 | $5.40 | visit |
| Nupeps Sep 17 | $54.00 | $5.40 | visit |
| Alphagradepeptides Sep 17 | $55.00 | $5.50 | visit |
| Alphaomegapeptide Sep 17 | $55.00 | $5.50 | visit |
| Canlabintl Sep 17 | $55.00 | $5.50 | visit |
| Aminoxgen Sep 17 | $55.99 | $5.60 | visit |
| Elitemiamipeptides Sep 17 | $59.95 | $6.00 | visit |
| Mainpeptides Sep 17 | $59.99 | $6.00 | visit |
| Mpeptidesscience Sep 19 | $60.00 | $6.00 | visit |
| Utherpeptide Sep 19 | $60.00 | $6.00 | visit |
| Vitalcellpeptides Sep 18 | $69.99 | $7.00 | visit |
| Nexusbiolife Sep 18 | $74.95 | $7.50 | visit |
| Nationwidepeptides Sep 19 | $77.00 | $7.70 | visit |
| Fortifyyourtemple Sep 18 | $80.00 | $8.00 | visit |
| Health Tides Sep 17 | $80.00 | $8.00 | visit |
| Jt Peptide Sep 17 | $80.00 | $8.00 | visit |
| Purefusionpeptide Sep 18 | $80.00 | $8.00 | visit |
| Alphabiologix Sep 17 | $125.00 | $12.50 | visit |
| Bluelineresearch Sep 17 | $145.00 | $14.50 | visit |
| Allpeptidesusa Sep 17 | $150.00 | $15.00 | visit |
| Glacieraminos Sep 19 | $162.32 | $16.23 | visit |
Not read yet
We have not read these listings for test results. Their absence from the groups above says nothing about them.
| Vendor | Price | Per mg | |
|---|---|---|---|
| Purelabpeptides Sep 12 | $24.99 | $2.50 | visit |
| Olympiapeptides Sep 2 | $25.00 | $2.50 | visit |
| Peptide Crafters Sep 1 | $29.75 | $2.98 | visit |
| Orionpeptides Sep 4 | $39.00 | $3.90 | visit |
| Ascension Peptides Sep 7 | $47.50 | $4.75 | visit |
| Gammapeptides Sep 2 | $49.00 | $4.90 | visit |
| Pinnaclepeptidelabs Sep 12 | $49.99 | $5.00 | visit |
| Lumenpeptides Sep 2 | $54.00 | $5.40 | visit |
| Simple Peptide Sep 1 | $55.00 | $5.50 | visit |
| Bastionpeptides Sep 2 | $59.00 | $5.90 | visit |
| Protide Health Sep 1 | $60.00 | $6.00 | visit |
| Aminovault Sep 12 | $74.00 | $7.40 | visit |
| Goalphalabs Sep 3 | $151.44 | $15.14 | visit |
Withheld from this comparison: 7 listings priced far outside this compound's range and 9 sellers publishing in another currency. We publish only prices we read in US dollars, and we convert nothing.
Sellers of Semax also list
Want to be told when Semax moves? Watch this price → We haven't started sending these yet — this is us finding out whether anybody wants them.