Same product. Comparable prices.
The lowest effective price in stock for a GHK-Cu 50 mg vial is $21 ($0.42 per mg) at Rocky Mountain Compounds, checked Oct 6, 2026, across 19 offers compared. 3 picks with a product COA on file.
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19 of 19 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 |
|---|---|---|---|---|
| Rocky Mountain Compounds Grade B+84/100 Passed trust floorPick 1Lab-verified COATested Jul 13, 2026 · Freedom Diagnostics · ref 2607100324 · purity 99.66% · batch ERP7926 Lab portal copy · Lab copy ↗ · SHA-256 b94c7219d39a…1 older report on file for this product. | $21$0.42 / 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-N8LG_P · purity 99.77% · batch GHK123-05 Lab portal copy · Lab copy ↗ · SHA-256 80f5333d70d5… | $21.98$0.44 / 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 |
| Orvella Labs Grade B+80/100 Passed trust floorPick 2Product COA on fileTested Jul 22, 2026 · Kovera Labs · ref KVR-2026-3EB899 · purity 99.543% · batch GHK-34N97 Lab-authored document · Lab site ↗ · SHA-256 75e33fdba64b… | $26$0.52 / mg | 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 floorPick 3Lab-verified COATested May 18, 2026 · Freedom Diagnostics · ref 2605150397 · purity 99.87% · batch AS-GHKCU50-0426 Lab portal copy · Lab copy ↗ · SHA-256 9272675b41db… | $34.99$0.70 / 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 May 16, 2026 · Freedom Diagnostics · ref 2605140192 · purity 99.73% · batch CPGHK5026051203 Lab-authored document · SHA-256 838746e31ddd…1 older report on file for this product. | $34.99$0.70 / 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. |
| Oros Research Grade B+81/100 Passed trust floorLab-verified COATested Jul 26, 2026 · Ethos Analytics · ref 26EA0721-048 · purity 99% · batch OR-LPGHK50-726-B8 Lab-authored document · Lab site ↗ · SHA-256 f6b5a1ef3fee…2 older reports on file for this product. | $34.99$0.70 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Ameano Peptides Grade B+83/100 Passed trust floorLab-verified COATested May 15, 2026 · Janoshik Analytical · ref 167749 · purity 99.699% · batch GHK5005072026-14 Lab-authored document · Lab site ↗ · SHA-256 a5f32f540f59…2 older reports on file for this product. | $35$0.70 / 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 15, 2026 · Janoshik Analytical · ref 167751 · purity 99.699% · batch EZP-GHK5005072026-14 Lab portal copy · Lab copy ↗ · SHA-256 f85ca155aa79…2 older reports on file for this product. | $35$0.70 / mgDeal not verified · listed price shown | 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 Aug 20, 2026 · TrustPointe Analytics · ref SPL-4689 · purity 99.89% · batch POL-GC50-7 Vendor-hosted copy · Lab site ↗ · SHA-256 8c55037d6fb9…2 older reports on file for this product. | $35$0.70 / mg | 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. | $40$0.80 / 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 10, 2026 · BioAnalytical Laboratory, Inc. · ref COA260663 · purity 99.75% · batch 260205GK503 Vendor-hosted copy · Lab site ↗ · SHA-256 5e29d54263b1…1 older report on file for this product. | $40$0.80 / mgDeal not verified · listed price shown | In 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. | $41.99$0.84 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | 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 2604070264 · purity 99.94% · batch Blue Cap Vendor-hosted copy · Lab site ↗ · SHA-256 4ce662785952… | $44.99$0.90 / mgDeal not verified · listed price shown | Out of 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 2608180187 · purity 99.07% · batch 002137484GHK Vendor-hosted copy · Lab site ↗ · SHA-256 4dba5e7b4850… | $50$1 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Paramount Peptides Grade B78/100 Passed trust floorCOA for another strengthTested Jun 28, 2024 · Janoshik Analytical · ref 44682 · purity 99.903% · batch Unknown · measured 77.31 mg vs 50 mg labeled Lab portal copy · Lab copy ↗ · SHA-256 3f406d6f00b8…No report on file confirms this strength (15% under to 35% over the label). | $55.25$1.11 / mg | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Core Peptides Grade B+80/100 Passed trust floorProduct COA on fileTested Apr 2, 2026 · Vanguard Laboratory · ref V260309-14 031 · purity 99.8% · batch C73465 Lab-authored document · SHA-256 da6332ca5557…2 older reports on file for this product. | $58$1.16 / 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 floorProduct COA on fileTested Feb 16, 2026 · Freedom Diagnostics · ref 2602130555 · purity 99.602% · batch 04114 Lab-authored document · Lab site ↗ · SHA-256 0fee842505be…1 older report on file for this product. | $60$1.20 / 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 floorProduct COA on fileTested Jan 27, 2026 · MZ Biolabs · batch 4810367529 Vendor-hosted copy · SHA-256 0308e2c5dbb9…2 older reports on file for this product. | $65$1.30 / mg | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
| Biolongevity Labs Grade B78/100 Passed trust floorProduct COA on fileTested Jun 20, 2026 · BioAnalytical Laboratory, Inc. · ref COA262068 · purity 99.77% · batch 261974 Vendor-hosted copy · Lab site ↗ · SHA-256 4ce8eefab722…2 older reports on file for this product. | $84.97$1.70 / mgDeal not verified · listed price shown | In stock when checked | Price recorded on this date | Check offer ↗PepGrades earns nothing from this link. |
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GHK-Cu 50 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.