Same product. Comparable prices.
The lowest effective price in stock for a GHK-Cu 100 mg vial is $12 ($0.12 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
Prices are recorded observations for the same product. Confirm the price and availability with the vendor before buying.
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 Jan 28, 2026 · MDx BioAnalytical Laboratory · ref QC260352 · purity 99.74% · batch GH8764800 Lab-authored document · Lab site ↗ · SHA-256 354b297d10fa…1 older report on file for this product. | $12$0.12 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Premier Bio Labs Grade A-87/100 Below trust floorLab-verified COATested Jun 12, 2026 · ILS Laboratories · ref COA-2026-MZJEAA · purity 99.71% · batch GHK123-02 Lab portal copy · Lab copy ↗ · SHA-256 7f8788210a15…1 older report on file for this product. | $29$0.29 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this dateLatest check unavailable; showing last observation (attempted Oct 6, 2026). | Product link unavailable |
| Rocky Mountain Compounds Grade B+84/100 Passed trust floorVendor tests other products54 public reports from this vendor, none matched to this product. | $32.50$0.33 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Peptide Plugs Grade A-88/100 Passed trust floorPick 2Product COA on fileTested Aug 22, 2026 · Freedom Diagnostics · ref 2608190013 · purity 99.83% · batch 208100C-DK Vendor-hosted copy · Found on the product page by the weekly COA crawl · SHA-256 ffe026a7d454…2 older reports on file for this product. | $35$0.35 / 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. |
| AIO Peptides Not enough information to gradeNot graded Below trust floorProduct COA on fileTested Dec 12, 2025 · Freedom Diagnostics · ref 2512110032 · purity 99.403% · batch AIOCU1001002 Vendor-hosted copy · Lab site ↗ · SHA-256 3ba7bdc2647d… | $36.75$0.37 / 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 floorPick 3Product COA on fileTested Aug 7, 2026 · ILS Laboratories · ref COA-2026-Q4O4ZX · purity 99.99% · batch GH100826A Lab-authored document · Lab site ↗ · SHA-256 23dedb501974…2 older reports on file for this product. | $40$0.40 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Product link unavailable |
| Peptide Crafters Grade B+82/100 Passed trust floorProduct COA on fileTested Jun 22, 2026 · Janoshik Analytical · ref 172896 · purity 99.93% · batch PC-G3-GHK100 Vendor-hosted copy · Lab site ↗ · SHA-256 9ba1126d3e48…2 older reports on file for this product. | $45$0.45 / 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 floorProduct COA on fileTested Apr 5, 2026 · Freedom Diagnostics · purity 99.908% · batch 7197 Vendor-hosted copy · Lab site ↗ · SHA-256 04d97eef1850… | $48.99$0.49 / 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 |
| Blue Ridge Peptides Grade B+83/100 Passed trust floorLab-verified COATested Jul 18, 2026 · Freedom Diagnostics · ref 2607150317 · purity 99.92% · batch BRP-267-CU100 Lab-authored document · Lab site ↗ · SHA-256 6745b2d9b30f…2 older reports on file for this product. | $50$0.50 / 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 Jul 21, 2026 · Freedom Diagnostics · ref 2607170294 · purity 99.25% · batch Light Blue Cap Lab portal copy · Lab copy ↗ · SHA-256 44461e6517a2…2 older reports on file for this product. | $50$0.50 / 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. |
| Ameano Peptides Grade B+83/100 Passed trust floorLab-verified COATested Jun 10, 2026 · Janoshik Analytical · ref 168796 · purity 99.819% · batch AMP-GHK10005272026-06 Lab portal copy · Lab copy ↗ · SHA-256 fed6e2cd8e80…2 older reports on file for this product. | $53$0.53 / 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 Jun 10, 2026 · Janoshik Analytical · ref 168797 · purity 99.829% · batch EZP-GHK10005272026-06 Lab portal copy · Lab copy ↗ · SHA-256 2baae0424e40…2 older reports on file for this product. | $53$0.53 / mgDeal not verified · listed price shown | 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 floorLab-verified COATested May 18, 2026 · Freedom Diagnostics · ref 2605150398 · purity 99.78% · batch AS-GHKCU100-0426 Lab portal copy · Lab copy ↗ · SHA-256 92c29bdb0ce0… | $54.99$0.55 / 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. |
| Coffee and Peppers Grade B78/100 Passed trust floorProduct COA on fileTested Jun 7, 2026 · Freedom Diagnostics · ref 2606030621 · purity 99.62% · batch CPGHK10026060103 Lab-authored document · Lab site ↗ · SHA-256 855bef31eea9…2 older reports on file for this product. | $54.99$0.55 / 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. |
| Rescue Research Grade B78/100 Passed trust floorProduct COA on fileTested Apr 9, 2026 · Freedom Diagnostics · ref 2604070262 · purity 99.936% · batch Clear Cap Vendor-hosted copy · Lab site ↗ · SHA-256 b1a8cc85dcaa… | $54.99$0.55 / mgDeal not verified · listed price shown | Out of stock when checked | Price recorded on this date | Product link unavailable |
| Nura Peptide Grade A-88/100 Passed trust floorProduct COA on fileTested Jun 14, 2026 · Freedom Diagnostics · purity 99.73% · batch GHK100-062026-1 Vendor-hosted copy · Lab site ↗ · SHA-256 f94eb27d9811…2 older reports on file for this product. | $55$0.55 / 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 Aug 6, 2026 · Freedom Diagnostics · ref 2608030451 · purity 99.5% · batch GHK100-082026-1 Vendor-hosted copy · Lab site ↗ · SHA-256 ab961f8fd2b1…2 older reports on file for this product. | $55$0.55 / 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. |
| Ascension Peptides Grade A-87/100 Passed trust floorVendor tests other products327 public reports from this vendor, none matched to this product. | $59$0.59 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Ignite Peptides Grade B79/100 Passed trust floorLab-verified COATested Feb 22, 2026 · Freedom Diagnostics · ref 2602200049 · purity 99.82% · batch IGP-GHK100-10293 Lab portal copy · Lab copy ↗ · SHA-256 2ab9f927ae8c… | $60$0.60 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| NuLife Peptides Grade B72/100 Passed trust floorVendor tests other products1 public report from this vendor, none matched to this product. | $60$0.60 / 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. |
| Peptides 4 Research Not enough information to gradeNot graded Below trust floorProduct COA on fileTested Feb 13, 2026 · BioAnalytical Laboratory, Inc. · ref QC260692 · purity 99.76% · batch 260210GK1003 Vendor-hosted copy · Lab site ↗ · SHA-256 57bb4e7032b4…1 older report on file for this product. | $60$0.60 / mgDeal not verified · listed price shown | Out of stock when checked | Price recorded on this date | Product link unavailable |
| Alpha Pro Peptides Grade B+82/100 Passed trust floorVendor tests other products61 public reports from this vendor, none matched to this product. | $64.99$0.65 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Amino Amigos Grade B+84/100 Below trust floorProduct COA on fileTested Mar 1, 2024 · Analiza Białek · ref 100004706 · purity 98% Vendor-hosted copy · SHA-256 09f3da6b9c30… | $65$0.65 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Product link unavailable |
| NextechLabs Grade C69/100 Below trust floorProduct COA on fileTested Oct 23, 2025 · Vanguard Laboratory · ref V251008-24 017 · purity 99.8% · batch V251008-24 017 Vendor-hosted copy · SHA-256 b6588741ccdb…2 older reports on file for this product. | $75$0.75 / 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. |
| Paramount Peptides Grade B78/100 Passed trust floorProduct COA on fileTested Apr 29, 2025 · Janoshik Analytical · ref 63519 · purity 99.925% · batch GHK100N041025 Vendor-hosted copy · Lab site ↗ · SHA-256 a07ae5927034…2 older reports on file for this product. | $75$0.75 / mg | In stock when checked | Price recorded on this date | Product link unavailable |
| Prime Lab Peptides Grade B+82/100 Passed trust floorProduct COA on fileTested Aug 24, 2026 · Freedom Diagnostics · ref 2608180188 · purity 99.71% · batch 054327201GHK Vendor-hosted copy · Lab site ↗ · SHA-256 084fa49acb3a…1 older report on file for this product. | $75$0.75 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Alpha Peps Grade B+82/100 Passed trust floorLab-verified COATested Feb 21, 2026 · Freedom Diagnostics · ref 2602190174 · batch 09136 Matched at the lab · Lab copy ↗ · SHA-256 aee99a3b3bac…1 older report on file for this product. | $85$0.85 / mg | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
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GHK-Cu 100 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.