Which vendors sell GHK-Cu with independent COA testing?

42 vendors in the Merit Verified directory have independent COA evidence on file for GHK-Cu — 305 COAs total. COA coverage and test dates are listed on the GHK-Cu page at https://meritverified.org/peptides/ghk-cu.

How do I verify the quality of GHK-Cu from a vendor?

To verify GHK-Cu quality, look for an independent certificate of analysis (COA) from a third-party lab — not a lab the vendor owns or pays directly. The COA should state the tested compound, lot number, purity percentage (identity and concentration), and the lab's name. Cross-reference the lot number against the vendor's current stock. Merit Verified indexes COAs for GHK-Cu at https://meritverified.org/peptides/ghk-cu so you can compare evidence across vendors before buying.

What is the regulatory status of GHK-Cu?

GHK-Cu is tracked in the Merit Verified registry. Regulatory status for research peptides in the US has been evolving — the FDA has reclassified a number of peptides out of the 503A compounding ingredient list since 2025. Merit Verified does not provide legal or regulatory advice; check official FDA sources or consult a licensed professional for the current status of GHK-Cu in your jurisdiction.

Healing & Recovery

GHK-Cu

Also known as: Glycyl-L-histidyl-L-lysine Copper

GHK-Cu is the copper(II) complex of a human tripeptide found in plasma. It is a well-established topical cosmetic ingredient for photoaged skin and is NOT an FDA-approved drug.

Real-time market data

Pricing for GHK-Cu

Live vendor pricing, normalized to $/mg so sizes compare fairly — fused with each seller's Merit trust score and latest independent COA purity. Prices refresh daily.

Average price

$1.95/mg

range $0.06–$55.00/mg

Sellers

from $0.00

45-day trend

+24.9%

vs 45-day avg $/mg

81 of 93 sellers have a current price· 51 stale listings hidden (not seen in 7 days)

	Vendor	Price	$/mg	vs avg	Purity	COAs	Merit
🇺🇸	Glacier Aminos ✓ verified at source · just now	$41.99· 100mg	$0.42/mg	-78.5%	99.9%	7	99	Buy code MERIT · 10% off
🇺🇸	Peptide Partners via Disclosed Labs · just now	$900· 2000mg	$0.45/mg	-76.9%	99.7%	15	99	Buy
🇺🇸	Moglabs via Disclosed Labs · just now	$54.00· 100mg	$0.54/mg	-72.3%	100.0%	4	96
🇺🇸	BioLongevity Labs via Disclosed Labs · just now	$84.97· 50mg	$1.70/mg	-12.8%	99.7%	13	96	Buy code MERIT · 15% off
🇺🇸	Reta One Labs via Disclosed Labs · just now	$49.00· 100mg	$0.49/mg	-74.9%	99.9%	8	95	Buy affiliate
🇺🇸	Licensed Peptides ✓ verified at source · just now	$61.99· 100mg	$0.62/mg	-68.2%	99.8%	5	95	Buy code MERIT · 5% off
🇺🇸	Prime Peptides via Disclosed Labs · just now	$65.00· 100mg	$0.65/mg	-66.7%	99.5%	3	95	Buy
🇺🇸	Profound Aminos via Disclosed Labs · just now	$76.00· 100mg	$0.76/mg	-61%	99.7%	9	95	Buy
🇺🇸	Forge Performance Co. via Disclosed Labs · just now	$50.00· 100mg	$0.50/mg	-74.3%	99.8%	2	94	Buy code MERIT · 10% off
🇺🇸	Hydro Research Peptides via Disclosed Labs · just now	$45.00· 5mg	$9.00/mg	+361.7%	99.6%	5	91	Buy code MERIT · 15% off
🇺🇸	Peptide Plugs ✓ verified at source · just now	$40.00· 100mg	$0.40/mg	-79.5%	99.9%	1	89
🇺🇸	Peptidology ✓ verified at source · just now	$115· 2.56mg	$44.92/mg	+2204.3%	99.8%	7	89	Buy
🇺🇸	Sunrise Bioresearch via Disclosed Labs · just now	$116· 1250mg	$0.09/mg	-95.2%	99.6%	13	88
🇺🇸	Verified Peptides via Disclosed Labs · just now	$49.99· 100mg	$0.50/mg	-74.4%	99.7%	54	86	Buy
🇺🇸	Simple Peptide via Disclosed Labs · just now	$55.00· 100mg	$0.55/mg	-71.8%	99.6%	12	85	Buy
	Peptide Supply Co. via Disclosed Labs · just now	$280· 1000mg	$0.28/mg	-85.6%	100.0%	3	83	Buy
🇺🇸	MedGe Peptides ✓ verified at source · 1d ago	$50.00· 50mg	$1.00/mg	-48.7%	99.8%	4	82	Buy affiliate
🇺🇸	Blank Peptides ✓ verified at source · just now	$75.00· 100mg	$0.75/mg	-61.5%	99.8%	2	81
🇺🇸	OROS Research via Disclosed Labs · just now	$44.99· 50mg	$0.90/mg	-53.8%	99.0%	1	79
🇺🇸	Texpeptide ✓ verified at source · 1d ago	$50.00· 100mg	$0.50/mg	-74.3%	—	—	65	Buy
🇺🇸	Certified Peptides ✓ verified at source · just now	$59.00· 100mg	$0.59/mg	-69.7%	99.2%	2	62
🇭🇰	Hkuppeptide ✓ verified at source · just now	$10.00· 100mg	$0.10/mg	-94.9%	99.4%	1	50
🇺🇸	NG Peptide via Disclosed Labs · just now	$20.00· 50mg	$0.40/mg	-79.5%	—	—	Unscored
🇺🇸	Alpha Peptides via Disclosed Labs · just now	$49.99· 100mg	$0.50/mg	-74.4%	—	—	Unscored
	volterasciences.com via Disclosed Labs · just now	$52.99· 100mg	$0.53/mg	-72.8%	—	—	Unscored
	optimasupply.is via Disclosed Labs · just now	$55.00· 100mg	$0.55/mg	-71.8%	—	—	Unscored
🇺🇸	Arcane Peptides via Disclosed Labs · just now	$60.00· 100mg	$0.60/mg	-69.2%	—	—	Unscored
	peptidetech.is via Disclosed Labs · just now	$64.99· 100mg	$0.65/mg	-66.7%	—	—	Unscored
	realpeptides.co via Disclosed Labs · just now	$105· 100mg	$1.05/mg	-46.1%	—	—	Unscored
🇺🇸	Kimera Chems via Disclosed Labs · just now	$56.99· 20mg	$2.85/mg	+46.2%	—	—	Unscored

Top Merit pick

🇺🇸 Glacier Aminos
✓ verified at source · just now
99

$0.42/mg -78.5% vs avg

$41.99

100mg

99.9% purity 7 COAs

Buy code MERIT · 10% off
🇺🇸 Peptide Partners
via Disclosed Labs · just now
99

$0.45/mg -76.9% vs avg

$900

2000mg

99.7% purity 15 COAs

Buy
🇺🇸 Moglabs
via Disclosed Labs · just now
96

$0.54/mg -72.3% vs avg

$54.00

100mg

100.0% purity 4 COAs
🇺🇸 BioLongevity Labs
via Disclosed Labs · just now
96

$1.70/mg -12.8% vs avg

$84.97

50mg

99.7% purity 13 COAs

Buy code MERIT · 15% off
🇺🇸 Reta One Labs
via Disclosed Labs · just now
95

$0.49/mg -74.9% vs avg

$49.00

100mg

99.9% purity 8 COAs

Buy affiliate
🇺🇸 Licensed Peptides
✓ verified at source · just now
95

$0.62/mg -68.2% vs avg

$61.99

100mg

99.8% purity 5 COAs

Buy code MERIT · 5% off
🇺🇸 Prime Peptides
via Disclosed Labs · just now
95

$0.65/mg -66.7% vs avg

$65.00

100mg

99.5% purity 3 COAs

Buy
🇺🇸 Profound Aminos
via Disclosed Labs · just now
95

$0.76/mg -61% vs avg

$76.00

100mg

99.7% purity 9 COAs

Buy
🇺🇸 Forge Performance Co.
via Disclosed Labs · just now
94

$0.50/mg -74.3% vs avg

$50.00

100mg

99.8% purity 2 COAs

Buy code MERIT · 10% off
🇺🇸 Hydro Research Peptides
via Disclosed Labs · just now
91

$9.00/mg +361.7% vs avg

$45.00

5mg

99.6% purity 5 COAs

Buy code MERIT · 15% off
🇺🇸 Peptide Plugs
✓ verified at source · just now
89

$0.40/mg -79.5% vs avg

$40.00

100mg

99.9% purity 1 COA
🇺🇸 Peptidology
✓ verified at source · just now
89

$44.92/mg +2204.3% vs avg

$115

2.56mg

99.8% purity 7 COAs

Buy
🇺🇸 Sunrise Bioresearch
via Disclosed Labs · just now
88

$0.09/mg -95.2% vs avg

$116

1250mg

99.6% purity 13 COAs
🇺🇸 Verified Peptides
via Disclosed Labs · just now
86

$0.50/mg -74.4% vs avg

$49.99

100mg

99.7% purity 54 COAs

Buy
🇺🇸 Simple Peptide
via Disclosed Labs · just now
85

$0.55/mg -71.8% vs avg

$55.00

100mg

99.6% purity 12 COAs

Buy
Peptide Supply Co.
via Disclosed Labs · just now
83

$0.28/mg -85.6% vs avg

$280

1000mg

100.0% purity 3 COAs

Buy
🇺🇸 MedGe Peptides
✓ verified at source · 1d ago
82

$1.00/mg -48.7% vs avg

$50.00

50mg

99.8% purity 4 COAs

Buy affiliate
🇺🇸 Blank Peptides
✓ verified at source · just now
81

$0.75/mg -61.5% vs avg

$75.00

100mg

99.8% purity 2 COAs
🇺🇸 OROS Research
via Disclosed Labs · just now
79

$0.90/mg -53.8% vs avg

$44.99

50mg

99.0% purity 1 COA
🇺🇸 Texpeptide
✓ verified at source · 1d ago
65

$0.50/mg -74.3% vs avg

$50.00

100mg

no purity

Buy
🇺🇸 Certified Peptides
✓ verified at source · just now
62

$0.59/mg -69.7% vs avg

$59.00

100mg

99.2% purity 2 COAs
🇭🇰 Hkuppeptide
✓ verified at source · just now
50

$0.10/mg -94.9% vs avg

$10.00

100mg

99.4% purity 1 COA
🇺🇸 NG Peptide
via Disclosed Labs · just now
Unscored

$0.40/mg -79.5% vs avg

$20.00

50mg

no purity
🇺🇸 Alpha Peptides
via Disclosed Labs · just now
Unscored

$0.50/mg -74.4% vs avg

$49.99

100mg

no purity
volterasciences.com
via Disclosed Labs · just now
Unscored

$0.53/mg -72.8% vs avg

$52.99

100mg

no purity
optimasupply.is
via Disclosed Labs · just now
Unscored

$0.55/mg -71.8% vs avg

$55.00

100mg

no purity
🇺🇸 Arcane Peptides
via Disclosed Labs · just now
Unscored

$0.60/mg -69.2% vs avg

$60.00

100mg

no purity
peptidetech.is
via Disclosed Labs · just now
Unscored

$0.65/mg -66.7% vs avg

$64.99

100mg

no purity
realpeptides.co
via Disclosed Labs · just now
Unscored

$1.05/mg -46.1% vs avg

$105

100mg

no purity
🇺🇸 Kimera Chems
via Disclosed Labs · just now
Unscored

$2.85/mg +46.2% vs avg

$56.99

20mg

no purity

Prices observed from public storefronts (last 24h), normalized to $/mg. "Evidence" is Merit's 0–100 Merit Score, derived only from observable verification evidence (methodology on /about); "Purity" is the latest independent COA. Some buy links are affiliate links — Merit may earn a commission at no extra cost to you, and where a vendor offers one, the code shown gets you a discount at their checkout. Affiliate status never affects price data, ranking, or the Merit Score (full policy on /disclosure). Research use only.

Independent evidence

COAs for GHK-Cu

305 third-party tests across 42 vendors. Each card links to the full report.

All 305 COAs for GHK-Cu →

Measured purity over time

GHK-Cu

Pricing for GHK-Cu

COAs for GHK-Cu

14 citations indexed for GHK-Cu

The Laccase-like Property of GHK-Cu and Its Applications in Colorimetric Sensing of Phenolic Compounds

Middle-aged mice treated with GHK-Cu peptide administered intraperitoneally or intranasally show behavioral rescue but divergent hippocampal aging programs

The GHK-Cu delays aging in Caenorhabditis elegans via coordinated regulation of mitochondrial function and activation of DAF-16/SKN-1 pathways

Glycyl-L-histidyl-L-lysine-Cu2&lt;sup&gt;+&lt;/sup&gt; (GHK-Cu) Attenuates CuSO&lt;sub&gt;4&lt;/sub&gt; or LPS induced-inflammation in Zebrafish larvae model

Topical GHK-Cu Gel for Acute Skin Wound Healing

Exploring the beneficial effects of GHK-Cu on an experimental model of colitis and the underlying mechanisms

Glycyl-L-histidyl-L-lysine-Cu2<sup>+</sup> (GHK-Cu) Attenuates CuSO<sub>4</sub> or LPS induced-inflammation in Zebrafish larvae model