Same product. Comparable prices.
The lowest effective price in stock for a Semax 10 mg vial is $17.50 ($1.75 per mg) at Bulk Peptide Supply, checked Oct 6, 2026, across 27 offers compared. 3 picks with a product COA on file.
Prices checked
Focused price comparison
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27 of 27 matching offers
Check the observation date beside each price. Prices and stock can change between checks; confirm both at the vendor.
3 picks for this product as of Oct 6, 2026. Picks are up to three of the lowest effective prices among vendors that passed the trust floor, were in stock and checked within 72 hours, and have a COA on file for this product and strength tested within the last 12 months. Fewer than three is normal. Affiliate relationships never affect picks or order. A COA shows the batch it names; it does not prove which lot a vendor ships today.
One-package prices require ordering one sellable package of the selected size. Bulk deals appear in the separate purchase-size view.
Effective prices include only verified automatic promotions or the selected verified coupon scenario. They exclude shipping and tax. Automatic promotions are not stacked with coupons unless the combined terms were verified. Sorting changes this table only; vendor grades and picks are unchanged.
| Vendor and trust | Listed price | Stock record | Price checked | Product |
|---|---|---|---|---|
| Bulk Peptide Supply Grade B+84/100 Passed trust floorPick 1Product COA on fileTested Jun 27, 2026 · MDx BioAnalytical Laboratory · ref COA261959 · purity 99.77% · batch XA10156 Lab-authored document · Lab site ↗ · SHA-256 03c5072d0b92…2 older reports on file for this product. | $17.50$1.75 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Orbitrex Peptides Grade A-85/100 Passed trust floorVendor tests other products163 public reports from this vendor, none matched to this product. | $29.99$3 / mg | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| TCore Biotech Grade B79/100 Passed trust floorVendor tests other products60 public reports from this vendor, none matched to this product. | $31.49$3.15 / mg | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Puratek Peptides Grade A-85/100 Passed trust floorVendor tests other products101 public reports from this vendor, none matched to this product. | $32.95$3.30 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Silverstone Labs Grade B+81/100 Passed trust floorVendor tests other products31 public reports from this vendor, none matched to this product. | $34$3.40 / mgDeal not verified · listed price shownRecorded code · terms unconfirmedCode: This vendor-issued code is recorded, but shopper savings and eligibility are not confirmed. The public program's 10% figure describes partner commission, not a verified customer discount. The requested PEPGRADES code is not confirmed. Complete pricing conditions are unconfirmed. Excluded from price calculations.Source: silverstonelabsco.com · Signup record and public affiliate program · /affiliate-login/. Code recorded Sep 16, 2026; terms reviewed Sep 21, 2026.A commission rate is not a shopper discount. Coupon use may attribute a purchase to PepGrades. | In stock when checked | Price recorded on this date | Check offer ↗Affiliate disclosure: PepGrades may earn a commission if you buy through the vendor storefront link. Product links are direct and do not use affiliate attribution. Grades and rankings are independent. |
| Alpha Peps Grade B+82/100 Passed trust floorVendor tests other products73 public reports from this vendor, none matched to this product. | $35$3.50 / mg | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Evolve Peptides Grade A-86/100 Passed trust floorPick 2Product COA on fileTested Jan 20, 2026 · MZ Biolabs Vendor-hosted copy · Lab site ↗ · SHA-256 c6fc4e029ee1…2 older reports on file for this product. | $35$3.50 / mg | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| GenPeptide Grade A-86/100 Passed trust floorVendor tests other products111 public reports from this vendor, none matched to this product. | $35$3.50 / mgBulk deal available in the bulk view · requires 17 packages ordered | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Peptide Crafters Grade B+82/100 Passed trust floorLab-verified COATested Aug 12, 2026 · Accumark Labs · ref PPXR-RPLN · purity 99.48% · batch PPXR-RPLN Vendor-hosted copy · Lab site ↗ · SHA-256 9dece56f62c9…2 older reports on file for this product. | $35$3.50 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Southern Aminos Grade A-85/100 Passed trust floorProduct COA on fileTested Aug 19, 2026 · ILS Laboratories · ref COA-2026-TQU9-E · purity 99.9% · batch SX100826R Lab-authored document · Lab site ↗ · SHA-256 6423566b8a8f…2 older reports on file for this product. | $35.20$3.52 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Product link unavailable |
| AIO Peptides Not enough information to gradeNot graded Below trust floorProduct COA on fileTested Mar 7, 2026 · Freedom Diagnostics · ref 2603060240 · purity 99.638% · batch AIOSX326 Vendor-hosted copy · Lab site ↗ · SHA-256 b43e85daa4f4… | $38.25$3.83 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Blue Ridge Peptides Grade B+83/100 Passed trust floorProduct COA on fileTested Jun 12, 2026 · Freedom Diagnostics · ref 2606090463 · purity 99.72% · batch BRP 266 SMN10 Lab-authored document · SHA-256 e8737361403d…1 older report on file for this product. | $40$4 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Forge Performance Co Grade A-87/100 Passed trust floorLab-verified COATested Jun 18, 2026 · Freedom Diagnostics · ref 2606160197 · purity 99.87% · batch Clear Cap/Green Crimp Lab portal copy · Lab copy ↗ · SHA-256 5d3bf3217144…1 older report on file for this product. | $40$4 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this dateLatest check unavailable; showing last observation (attempted Oct 6, 2026). | Check offer ↗PepGrades earns nothing from this link. |
| Peptide Plugs Grade A-88/100 Passed trust floorPick 3Product COA on fileTested Jul 4, 2026 · Freedom Diagnostics · ref 2607020219 · purity 99.79% · batch 148-03-DK Vendor-hosted copy · Found on the product page by the weekly COA crawl · SHA-256 773c4f171545…1 older report on file for this product. | $40$4 / mgBulk deal available in the bulk view · requires 3 packages ordered | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Polaris Peptides Grade A-88/100 Passed trust floorProduct COA on fileTested Apr 28, 2026 · Janoshik Analytical · ref 134490 · purity 99.466% · batch POL-NSMA10-2 Vendor-hosted copy · Lab site ↗ · SHA-256 fa82a477030c…1 older report on file for this product. | $40$4 / mg | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Glacier Aminos Grade B+83/100 Passed trust floorProduct COA on fileTested Nov 15, 2025 · Freedom Diagnostics · ref 2511120119 · purity 98.709% · batch SMXGA01 Lab-authored document · Lab site ↗ · SHA-256 6e7f7895a97d…2 older reports on file for this product. | $40.99$4.10 / mg | In stock when checked | Price recorded on this date | Product link unavailable |
| Ameano Peptides Grade B+83/100 Passed trust floorLab-verified COATested May 29, 2026 · Janoshik Analytical · ref 166071 · purity 99.329% · batch AMP-SEMX1005182026-10 Lab portal copy · Lab copy ↗ · SHA-256 1e27f2edc337…2 older reports on file for this product. | $44$4.40 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| EZ Peptides Grade A-88/100 Passed trust floorLab-verified COATested May 29, 2026 · Janoshik Analytical · ref 166072 · purity 99.329% · batch EZP-SEMX1005182026-10 Lab portal copy · Lab copy ↗ · SHA-256 968d996498b0…2 older reports on file for this product. | $44$4.40 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Alpha Pro Peptides Grade B+82/100 Passed trust floorProduct COA on fileTested Aug 20, 2026 · Freedom Diagnostics · ref 2608131115 · purity 99.34% · batch 0724 Vendor-hosted copy · Found on the product page by the weekly COA crawl · SHA-256 e5dec5001159… | $44.99$4.50 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| RIVN Peptides Grade B+80/100 Passed trust floorVendor tests other products23 public reports from this vendor, none matched to this product. | $44.99$4.50 / mgDeal not verified · listed price shown15% off · eligibility unconfirmedCode: The affiliate dashboard lists pepgrades15 as a 15% discount. Customer eligibility, product exclusions, minimums, and combination with the observed price are not established. No discount is included in the comparison. Complete pricing conditions are unconfirmed. Excluded from price calculations.Source: rivnresearch.com · Affiliate dashboard coupon table · /affiliates/. Code recorded Sep 16, 2026; terms reviewed Sep 21, 2026.A commission rate is not a shopper discount. Coupon use may attribute a purchase to PepGrades. | In stock when checked | Price recorded on this date | Product link unavailable |
| NextechLabs Grade C69/100 Below trust floorVendor tests other products71 public reports from this vendor, none matched to this product. | $45$4.50 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this dateLatest check unavailable; showing last observation (attempted Oct 6, 2026). | Check offer ↗PepGrades earns nothing from this link. |
| Nura Peptide Grade A-88/100 Passed trust floorProduct COA on fileTested Jun 14, 2026 · Freedom Diagnostics · ref 2606110405 · purity 99.81% · batch SMX-062026-1 Vendor-hosted copy · Lab site ↗ · SHA-256 fffb044a8aa7…2 older reports on file for this product. | $45$4.50 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Oasis Peptides Grade B+81/100 Passed trust floorLab-verified COATested Jun 15, 2026 · Bioviridian · ref COA5290 · purity 99.9% · batch 112455 Lab portal copy · Lab copy ↗ · SHA-256 ec837cbcb75f…1 older report on file for this product. | $45$4.50 / mgBulk deal available in the bulk view · requires 10 packages ordered | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Amino Science Grade A-89/100 Passed trust floorVendor tests other products32 public reports from this vendor, none matched to this product. | $45.99$4.60 / mgDeal not verified · listed price shown20% off first orderCode: The affiliate dashboard confirms PEPGRADES gives 20% off; the public program describes a first-order offer. Product exclusions, minimums, and combination with the observed price are not established. No discount is included in the comparison. Complete pricing conditions are unconfirmed. Excluded from price calculations.Source: aminoscience.io · Affiliate dashboard and public affiliate program · /affiliate. Code recorded Sep 16, 2026; terms reviewed Sep 21, 2026.A commission rate is not a shopper discount. Coupon use may attribute a purchase to PepGrades. | In stock when checked | Price recorded on this date | Check offer ↗Affiliate disclosure: PepGrades may earn a commission if you buy through this link. Grades and rankings are independent. |
| Rescue Research Grade B78/100 Passed trust floorProduct COA on fileTested May 17, 2026 · Freedom Diagnostics · ref 2605150086 · purity 99.61% · batch Black Cap Vendor-hosted copy · Lab site ↗ · SHA-256 c17d42f8ad26… | $49.99$5 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Product link unavailable |
| Ascension Peptides Grade A-87/100 Passed trust floorProduct COA on fileTested May 29, 2026 · Kovera Labs · ref KVR-2026-E848E0 · purity 99.886% · batch 30-05260628 Lab-authored document · Lab site ↗ · SHA-256 ce473d2e7f0c…2 older reports on file for this product. | $50$5 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Simple Peptide Grade B79/100 Passed trust floorLab-verified COATested Jul 25, 2026 · Freedom Diagnostics · ref 2607220306 · purity 99.55% · batch SEMAX10-072026-1 Vendor-hosted copy · Lab site ↗ · SHA-256 c0e8c2135310…2 older reports on file for this product. | $55$5.50 / mgDeal not verified · listed price shown | Out of stock when checked | Price recorded on this dateLatest check unavailable; showing last observation (attempted Oct 6, 2026). | Product link unavailable |
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Semax 10 mg vial
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Uses listed prices checked within 72 hours and recorded in stock. Coupons, shipping and tax are excluded. Confirm at the vendor.