The Peptide Audit

GHK-Cu price comparison

$0.62
Avg price/mg
2
Vendors
$0.48–$0.76
Price range

Compare GHK-Cu from 2 tested U.S. vendors. Prices currently range from $0.48 to $0.76 per mg across 50mg, 100mg vials, with vendor promo codes applied. 5 third-party lab results have been published. Prices and stock are checked twice a day. New to GHK-Cu? Read the research guide.

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$/mg shown after each vendor's coupon code. Click 🔔 to get an email when an item restocks or drops in price.

Personally tested vendors only. More vendors coming soon.

Prices & stock checked 15 hours ago · updated twice daily (noon & midnight CT)

Disclosure: “Buy” links may be affiliate links — The Peptide Audit may earn a commission at no extra cost to you. It never affects prices shown, ratings or rankings.

VendorProductPrice$/mgStockCoupon
EZ Peptides
★ 5.0
100mg · Single vial
$53.00
$0.48
$0.53
In stockBuy
EZ Peptides
★ 5.0
50mg · Single vial
$35.00
$0.63
$0.70
In stockBuy
Mile High Compounds
★ 5.0
50mg · Single vial
$44.99
$0.76
$0.90
In stockBuy

Lab results (COAs)

Third-party test results each vendor has published for GHK-Cu.

VendorSizeLabBatch / test
EZ Peptides50mgJanoshikTest #76970View report ↗
Mile High Compounds50mgChromateGHK-050-MH-01View report ↗
Mile High Compounds50mgChromateGHK-050-MH-02View report ↗
Mile High Compounds50mgThird-party labGHK-050-MH-03View report ↗
Mile High Compounds50mgThird-party labGHK-050-MH-04View report ↗

Lab results are published by each vendor; we link to the original report and haven't independently verified them. Always match the batch number on your vial to its report.

Lowest $/mg — last 45 days

$0.48$0.482026-10-022026-11-14

GHK-Cu FAQ

Where is the cheapest GHK-Cu right now?

EZ Peptides currently has the lowest GHK-Cu price at $0.48 per mg (100mg vial with code stina). Prices and stock are re-checked twice a day, so the cheapest option can change.

How much does GHK-Cu cost per mg?

Across 2 tested U.S. vendors, GHK-Cu costs $0.48 to $0.76 per mg after promo codes. Larger vials and multi-packs usually work out cheaper per mg than single small vials.

What vial sizes does GHK-Cu come in?

The vendors we track sell GHK-Cu in 50mg and 100mg vials. Compare by price per mg rather than price per vial to see which size is the better deal.

How many vendors sell GHK-Cu?

We compare 3 GHK-Cu listings from 2 vendors we've tested, with 3 in stock right now. Turn on a price or restock alert to get an email when a listing drops in price or comes back.

Has GHK-Cu been third-party lab tested?

Yes. 5 third-party lab results (COA) have been published for GHK-Cu by EZ Peptides and Mile High Compounds. You can open each report in the lab results section above to check purity and the tested batch.

How do I reconstitute GHK-Cu?

Use our free reconstitution calculator: enter the vial size (mg), the amount of bacteriostatic water you add and the amount you want per dose, and it shows exactly how much to draw. Our GHK-Cu research guide also covers what the published studies looked at. Open the calculator.

Is GHK-Cu for human use?

GHK-Cu is sold by these vendors as a research chemical for laboratory research use only. It is not approved for human consumption, and nothing on this site is medical advice.

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