Disclosure: We earn a commission from vendors on this page. Rankings are based on objective criteria including price, COA availability, and reputation.

Best GHK-Cu Vendors of 2026

Ranked by Price, Purity, and Reputation

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Quick Comparison

1Nura PeptidePREMIUMCOA
10/10
100mg$0.55/mg
2Ascension PeptidesCOA
9.8/10
100mg$0.65/mg
3Ion PeptideCOA
9.7/10
100mg$0.45/mg
4EZ PeptidesCOA
9.5/10
$0.70/mg
5Glacier AminosCOA
9.3/10
$0.84/mg
6Mile High CompoundsCOA
9.2/10
50mg$1.00/mg

Bulk Pricing

Per-vendor quantity breaks — pick a vial size to see the bulk price. Must purchase the full pack.

Ion PeptideCOA15% code thepeptidecatalog
as low as $0.29/mg
$337.50100mg × 10$0.34/mg → $0.29/mg with code
View at Ion Peptide
Ascension PeptidesCOA
as low as $0.29/mg
$585.00100mg × 10$0.58/mg → $0.29/mg auto-applied
View at Ascension Peptides
Nura PeptideCOA25% code thepeptidecatalog
as low as $0.37/mg
$495.00100mg × 10$0.49/mg → $0.37/mg with code
View at Nura Peptide
Glacier AminosCOA10% code thepeptidecatalog
as low as $0.40/mg
$566.90100mg × 10$0.57/mg → $0.51/mg with code
View at Glacier Aminos
EZ PeptidesCOA10% code thepeptidecatalog
as low as $0.43/mg
$477.00100mg × 10$0.48/mg → $0.43/mg with code
View at EZ Peptides

GHK-Cu Stacks & Blends

Pre-mixed combinations containing GHK-Cu — one vial, multiple peptides.

BPC-157 + GHK-Cu + TB-500

Also contains: BPC-157, TB-500

Full comparison →
1Ascension Peptides
10/10
$125.0070mgCOA
50% OFF—THEPEPTIDECATALOG
2EZ Peptides
9.9/10
$88.0070mgCOA
10% OFF—thepeptidecatalog
3Glacier Aminos
9.8/10
$96.9970mgCOA
10% OFF—thepeptidecatalog

BPC-157 + GHK-Cu + TB-500 + KPV

Also contains: BPC-157, TB-500, KPV

Full comparison →
1Ascension Peptides
10/10
$125.0080mgCOA
50% OFF—THEPEPTIDECATALOG
2EZ Peptides
9.9/10
$98.0080mgCOA
10% OFF—thepeptidecatalog
3Glacier Aminos
9.8/10
$118.9980mgCOA
10% OFF—thepeptidecatalog

GHK-Cu + KPV

Also contains: KPV

1EZ Peptides
10/10
$85.0050mg/20mgCOA
10% OFF—thepeptidecatalog

Glow Blend (BPC-157 + GHK-Cu + TB-500)

Also contains: BPC-157, TB-500

Full comparison →
1Nura PeptidePREMIUM
10/10
$112.0070mgCOA
25% OFF—thepeptidecatalog
2Ascension Peptides
9.9/10
$125.0070mgCOA
50% OFF—THEPEPTIDECATALOG
3EZ Peptides
9.8/10
$88.0070mgCOA
10% OFF—thepeptidecatalog
4Glacier Aminos
9.7/10
$96.9970mgCOA
10% OFF—thepeptidecatalog
View all 5 vendors →

Klow Blend (BPC-157 + GHK-Cu + KPV + TB-500)

Also contains: BPC-157, TB-500, KPV

Full comparison →
1Nura PeptidePREMIUM
10/10
$125.0080mgCOA
25% OFF—thepeptidecatalog
2Ascension Peptides
9.9/10
$125.0080mgCOA
50% OFF—THEPEPTIDECATALOG
3EZ Peptides
9.8/10
$98.0080mgCOA
10% OFF—thepeptidecatalog
4Glacier Aminos
9.7/10
$118.9980mgCOA
10% OFF—thepeptidecatalog
View all 5 vendors →

Compare More Peptide Vendors

Best BPC-157 Vendorsfrom $49.00 →Best TB-500 Vendorsfrom $54.00 →Best Thymosin Beta-4 Vendorsfrom $68.00 →Best LL-37 Vendorsfrom $89.00 →Best ARA-290 Vendorsfrom $64.00 →Best Cartalax Vendorsfrom $79.00 →Best PDA (Pentadeca Arginate) Vendorsfrom $49.00 →Best AHK-Cu Vendorsfrom $79.99 →

How We Score Vendors

Our scoring is based on three weighted factors:

Price Competitiveness (40%)

Normalized to cost per milligram for fair comparisons across vial sizes.

COA Availability (30%)

Third-party lab testing confirming purity, identity, and absence of contaminants.

Vendor Reputation (30%)

Community feedback, shipping reliability, customer service, and business track record.

Best Deal on GHK-Cu →

All vendors sorted by $/mg — find the best deal

Calculate the Cost of Your GHK-Cu Cycle →

Pick your dose and duration — see the total with supplies

Best BPC-157 Vendors of 2026 →

Ranked by price, purity testing, and buyer trust

Calculate the Cost of Your BPC-157 Cycle →

Pick your dose and duration — see the total with supplies

Premium partner. Nura Peptide pays for priority placement on this page. Our affiliate commission, COA verification, and per-mg pricing comparison remain independent — we still surface lower prices from other vendors when applicable. How premium placement works.