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Where to Buy GHK-Cu in 2026: 52 Lab-Tested Sellers, From $0.180/mg With a Coupon Code

Where to buy GHK-Cu: PepAssess lists GHK-Cu at 67 vendors. As of November 12, 2026, the lowest price with a coupon code is $0.18/mg at Lost Coast Aminos (code PEPASSESS); the median across all sellers is $0.55/mg. Vendors are ranked by Evidence Score.

Prices and codes updated November 12, 2026 · re-checked every night

It binds copper strongly, forming GHK-Cu.

Learn more about GHK-Cu from the published research: Archives of Facial Plastic Surgery (2006) · BioImpacts (2025) · ClinicalTrials.gov (NIH)

The compounds listed on this page are for research purposes only, not for human consumption.

GHK-Cu reconstitution calculator →

GHK-Cu coupon codes

Biggest GHK-Cu discount
$0.295/mg $0.59100 mg vial $29.50 with the code
Shop
code tested at checkout November 12, 2026
Lowest GHK-Cu price with a code
$0.18/mg $0.20100 mg vial $18 with the code
Shop

Prices with the code taken off · updated November 12, 2026 · re-checked every night

Every GHK-Cu coupon code

70 GHK-Cu sellers with a confirmed code — PepAssess's preferred vendor first, then highest Evidence Score.

Platinum LionPreferred93score100 mg vial $41.24 with code$0.55/mg$0.412/mg with code25% offShop
Rebirth LabsPreferred84score100 mg vial $67.49 with code$0.75/mg$0.675/mg with code10% offShop
BioLongevity Labs100score50 mg vial $72.22 with code$1.70/mg$1.44/mg with code15% offShop
Hydro Research Peptides100score100 mg vial $44 with code$0.55/mg$0.44/mg with code20% offShop
Lost Coast Aminos100score100 mg vial $18 with code$0.20/mg$0.18/mg with code62% below typical10% offShop
Myoasis Labs99score100 mg vial $47.20 with code$0.59/mg$0.472/mg with code20% offShop
Glow Peptides99score50 mg vial $49.49 with code$1.10/mg$0.99/mg with code10% offShop
Bench Grade Peptides95score100 mg vial $95.40 with code$1.06/mg$0.954/mg with code10% offShop
Next Level Compounds95score100 mg vial $38.49 with code$0.55/mg$0.385/mg with code30% offShop
GigaCompounds95score10% offShop
Retaone Labs93score100 mg vial $37.05 with code$0.39/mg$0.37/mg with code26% below typical5% offShop
Pinnacle Peptide Labs92score100 mg vial $67.99 with code$0.80/mg$0.68/mg with code15% offShop
True Peptide Labs92score35% offShop
PeakForce Labs92score100 mg vial $31.85 with code$0.319/mg$0.319/mg with code39% below typical35% offShop
Ascension Peptides90score100 mg vial $29.50 with code$0.59/mg$0.295/mg with code50% offShop
Arctic Lab Supply90score100 mg vial $41.24 with code$0.55/mg$0.412/mg with code25% offShop
Amino Research89score100 mg vial $46.39 with code$0.58/mg$0.464/mg with code20% offShop
Peptide Giants89score100 mg vial $45.60 with code$0.48/mg$0.456/mg with code9% below typical5% offShop
Rivn Research88score100 mg vial $42.49 with code$0.50/mg$0.425/mg with code5% below typical15% offShop
Prism Labs88score100 mg vial $53.99 with code$0.60/mg$0.54/mg with code10% offShop
NOVA Labs88score10% offShop
Silverstone Labs Co88score100 mg vial $30.60 with code$0.36/mg$0.306/mg with code31% below typical15% offShop
Blue Ridge Peptides88score100 mg vial $45 with code$0.50/mg$0.45/mg with code5% below typical10% offShop
Alpha Peptides87score50 mg vial $22.67 with code$0.504/mg$0.453/mg with code49% below typical10% offShop
Pivot Labs Global86score100 mg vial $75.65 with code$0.89/mg$0.756/mg with code15% offShop
My Amino Lab86score100 mg vial $36.90 with code$0.41/mg$0.369/mg with code22% below typical10% offShop
Everest Peptides85score50 mg vial $16.79 with code$0.42/mg$0.336/mg with code57% below typical20% offShop
Rejuven8 Peptides85score100 mg vial $39.57 with code$0.49/mg$0.416/mg with code7% below typical15% offShop
NuLab Peptides84score100 mg vial $46.08 with code$0.576/mg$0.461/mg with code20% offShop
Disguised Alpha83score100 mg vial $40.49 with code$0.45/mg$0.405/mg with code14% below typical10% offShop
One Aminos83score33% offShop
Echo Peptides83score100 mg vial $59.49 with code$0.70/mg$0.595/mg with code15% offShop
VISTARA LABS83score25% offShop
LUV Aminos83score100 mg vial $25.20 with code$0.28/mg$0.252/mg with code10% offShop
Modern Research Peptides82score100 mg vial $23.99 with code$0.40/mg$0.24/mg with code24% below typical40% offShop
Global Aminos82score100 mg vial $55.99 with code$0.70/mg$0.56/mg with code20% offShop
VAYN81score50 mg vial $38.40 with code$0.96/mg$0.768/mg with code20% offShop
BioInfinity81score50 mg vial $45 with code$1/mg$0.90/mg with code10% offShop
Vortex Research81score100 mg vial $34.99 with code$0.50/mg$0.35/mg with code5% below typical30% offShop
Stack Research80score50 mg vial $51.92 with code$1.30/mg$1.04/mg with code20% offShop
Palmetto Peptides79score10% offShop
CertaPeptides79score10% offShop
MsAmino78score100 mg vial $28.00 with code$0.70/mg$0.56/mg with code20% offShop
Prime Peptide Solutions78score10% offShop
Ps Peptides77score100 mg vial $39.28 with code$0.45/mg$0.405/mg with code14% below typical10% offShop
DAAVY Research77score100 mg vial $28 with code$0.35/mg$0.28/mg with code33% below typical20% offShop
Ouralus77score100 mg vial $35.40 with code$0.354/mg$0.354/mg with code33% below typical10% offShop
Great Northern Peptides76score10% offShop
Pepvida76score10% offShop
V8 Peptides76score10% offShop
RemedyX75score100 mg vial $39.60 with code$0.44/mg$0.396/mg with code16% below typical10% offShop
Zesty Rat75score50 mg vial $31.49 with code$0.70/mg$0.63/mg with code29% below typical10% offShop
Platinum Biolabs73score100 mg vial $45.75 with code$0.61/mg$0.458/mg with code25% offShop
Blackline Scientific72score100 mg vial $44 with code$0.55/mg$0.44/mg with code20% offShop
GenX Peptides68score50 mg vial $42.50 with code$1/mg$0.85/mg with code15% offShop
PeptiNova67score100 mg vial $44.99 with code$0.50/mg$0.45/mg with code5% below typical10% offShop
Ascend Research66score100 mg vial $85.46 with code$0.95/mg$0.855/mg with code10% offShop
Value Research Labs64score100 mg vial $39.99 with code$0.50/mg$0.40/mg with code5% below typical20% offShop
VMAX Peptides63score100 mg vial $26.91 with code$0.299/mg$0.269/mg with code43% below typical10% offShop
Peptuvia63score100 mg vial $66.60 with code$0.74/mg$0.666/mg with code10% offShop
Vitality Chems59score100 mg vial $80.09 with code$0.90/mg$0.801/mg with code11% offShop
Helion Research54score50 mg vial $23.99 with code$0.60/mg$0.48/mg with code39% below typical20% offShop
99PurityPeptides43score10% offShop
Deep Beauty Research41score15% offShop
TCORE BIOTECH33score100 mg vial $38.39 with code$0.48/mg$0.384/mg with code9% below typical20% offShop
Sparta Labs31score15% offShop
Peptyds31score10% offShop
Project Amino21score10% offShop
Helix Bio Chem16score100 mg vial $72 with code$0.80/mg$0.72/mg with code10% offShop
XLR815score100 mg vial $63.99 with code$0.80/mg$0.64/mg with code20% offShop

Lowest prices for every peptide →

Where to buy GHK-Cu: the short answer

What is the best GHK-Cu coupon code?

As of November 12, 2026, the biggest GHK-Cu coupon code PepAssess has confirmed is PEPASSESS50OFF for 50% off at Ascension Peptides, which brings it to $0.295 per mg. PepAssess lists each code with its discount and the seller's Evidence Score, based on lab reports confirmed with the testing labs. Ascension Peptides coupon code

What is the lowest GHK-Cu price with a coupon code?

As of November 12, 2026, the lowest GHK-Cu price PepAssess found with a coupon code is at Lost Coast Aminos: $0.18 per mg with code PEPASSESS (10% off; $0.20 per mg before the code). Prices are re-checked every night. Lost Coast Aminos coupon code

Where can I buy lab-tested GHK-Cu?

As of November 12, 2026, PepAssess lists 67 online vendors selling GHK-Cu. 52 of them publish a GHK-Cu lab report that the testing lab confirmed on its own records, and 27 of those cover both purity (HPLC and mass spec) and toxicity (endotoxin or sterility). The highest-scoring vendors with a lab-confirmed GHK-Cu report are BioLongevity Labs (100/100), Hydro Research Peptides (100/100) and Lost Coast Aminos (100/100). Compare all 67 GHK-Cu vendors on PepAssess

What is the best GHK-Cu vendor?

PepAssess ranks GHK-Cu vendors by Evidence Score (0–100): what each vendor documents — lab reports confirmed by the labs, how often it tests, business transparency and buyer protection. As of November 12, 2026, the top-scoring GHK-Cu vendors are BioLongevity Labs (100/100), Hydro Research Peptides (100/100) and Lost Coast Aminos (100/100) — all three with a lab-confirmed GHK-Cu report.

What is the cheapest GHK-Cu per mg?

The lowest GHK-Cu price PepAssess found is $0.20/mg at Lost Coast Aminos; the median across vendors is $0.55/mg (as of November 12, 2026). Among vendors with a lab-confirmed GHK-Cu report, the lowest is $0.20/mg at Lost Coast Aminos. Prices come from each vendor's own store and exclude shipping and discounts.

GHK-Cu lab reports across 67 sellers

57 of the 67 sellers listing GHK-Cu publish a lab report for it, and 52 have one confirmed in the testing lab's records. That is 168 confirmed GHK-Cu reports. The newest is dated November 1, 2026. 27 sellers have confirmed purity and toxicity reports for GHK-Cu.

GHK-Cu vial sizes: 50 mg and 100 mg

Two sizes share most of the listings: 50 mg with 208 listings at a median of $42.69, and 100 mg with 198 listings at a median of $54.99. A 200 mg vial is listed 30 times, at a median of $153. The lowest one-vial price with a coupon code is $0.18 per mg at Lost Coast Aminos. The median across sellers is $0.55 per mg, so that price is 67% below typical. GHK-Cu is also one of the parts of KLOW and GLOW.

How PepAssess checked GHK-Cu

GHK-Cu is sold as vials, creams and capsules. Only vials are compared on price here. Each report was matched with the lab named on it before being counted as confirmed, and prices were read from sellers' stores on November 12, 2026.

GHK-Cu cost per week

What one 100 mg vial of GHK-Cu costs per week of research, at the lowest one-vial price with a coupon code: $18.00 at Lost Coast Aminos (code PEPASSESS, $0.18/mg), as of November 12, 2026.

One vial used overCost per week
2 weeks$9.00
4 weeks$4.50
8 weeks$2.25

Lab-confirmed GHK-Cu reports

57 of 67 sellers publish a GHK-Cu lab report. 52 have one the testing lab confirmed on its own records; 27 of those cover both purity (HPLC + mass-spec identity) and toxicity (endotoxin or sterility). Those covering both are listed first, then by Evidence Score.

BioLongevity LabsPurity ✓↗Toxicity ✓↗Jun 2026$1.70/mg15% off100scoreShop
Lost Coast AminosPurity ✓↗Toxicity ✓↗Nov 2026$0.20/mg10% off100scoreShop
Bench Grade PeptidesPurity ✓↗Toxicity ✓↗Aug 2026$1.06/mg10% off95scoreShop
Platinum LionPurity ✓↗Toxicity ✓↗Mar 2026$0.55/mg25% off93scoreShop
Retaone LabsPurity ✓↗Toxicity ✓↗Sep 2026$0.39/mg5% off93scoreShop
True Peptide LabsPurity ✓↗Toxicity ✓↗May 202635% off92scoreShop
PeakForce LabsPurity ✓↗Toxicity ✓↗Apr 2026$0.319/mg35% off92scoreShop
Ascension PeptidesPurity ✓↗Toxicity ✓↗Jul 2026$0.59/mg50% off90scoreShop
Arctic Lab SupplyPurity ✓↗Toxicity ✓↗Oct 2026$0.55/mg25% off90scoreShop
Amino ResearchPurity ✓↗Toxicity ✓↗Sep 2026$0.58/mg20% off89scoreShop
Prism LabsPurity ✓↗Toxicity ✓↗Sep 2026$0.60/mg10% off88scoreShop
NOVA LabsPurity ✓↗Toxicity ✓↗Sep 202610% off88scoreShop
Silverstone Labs CoPurity ✓↗Toxicity ✓↗Sep 2026$0.36/mg15% off88scoreShop
Everest PeptidesPurity ✓↗Toxicity ✓↗Oct 2026$0.42/mg20% off85scoreShop
Rebirth LabsPurity ✓↗Toxicity ✓↗Sep 2026$0.75/mg10% off84scoreShop
Disguised AlphaPurity ✓↗Toxicity ✓↗Aug 2026$0.45/mg10% off83scoreShop
One AminosPurity ✓↗Toxicity ✓↗Sep 202633% off83scoreShop
Modern Research PeptidesPurity ✓↗Toxicity ✓↗Jun 2026$0.40/mg40% off82scoreShop
VAYNPurity ✓↗Toxicity ✓↗Jul 2026$0.96/mg20% off81scoreShop
BioInfinityPurity ✓↗Toxicity ✓↗Feb 2026$1/mg10% off81scoreShop
Vortex ResearchPurity ✓↗Toxicity ✓↗Aug 2026$0.50/mg30% off81scoreShop
Stack ResearchPurity ✓↗Toxicity ✓↗Jul 2026$1.30/mg20% off80scoreShop
Palmetto PeptidesPurity ✓↗Toxicity ✓↗Aug 202610% off79scoreShop
MsAminoPurity ✓↗Toxicity ✓↗Aug 2026$0.70/mg20% off78scoreShop
Ps PeptidesPurity ✓↗Toxicity ✓↗$0.45/mg10% off77scoreShop
V8 PeptidesPurity ✓↗Toxicity ✓↗Oct 202610% off76scoreShop
Value Research LabsPurity ✓↗Toxicity ✓↗Jun 2026$0.50/mg20% off64scoreShop
Hydro Research PeptidesPurity –Toxicity ✓↗Jul 2026$0.55/mg20% off100scoreShop
Myoasis LabsPurity ✓↗Toxicity –Jun 2026$0.59/mg20% off99scoreShop
Next Level CompoundsPurity –Toxicity ✓↗Aug 2026$0.55/mg30% off95scoreShop
GigaCompoundsPurity –Toxicity ✓↗Jun 202610% off95scoreShop
Peptide GiantsPurity –Toxicity –Jun 2026$0.48/mg5% off89scoreShop
Rivn ResearchPurity ✓↗Toxicity –Apr 2026$0.50/mg15% off88scoreShop
Blue Ridge PeptidesPurity ✓↗Toxicity –Jan 2026$0.50/mg10% off88scoreShop
Alpha PeptidesPurity ✓↗Toxicity –Sep 2026$0.504/mg10% off87scoreShop
Pivot Labs GlobalPurity ✓↗Toxicity –Jun 2026$0.89/mg15% off86scoreShop
My Amino LabPurity ✓↗Toxicity –Jul 2026$0.41/mg10% off86scoreShop
Rejuven8 PeptidesPurity ✓↗Toxicity –Aug 2026$0.49/mg15% off85scoreShop
Echo PeptidesPurity –Toxicity –Jun 2026$0.70/mg15% off83scoreShop
VISTARA LABSPurity ✓↗Toxicity –Sep 202625% off83scoreShop
Global AminosPurity ✓↗Toxicity –May 2026$0.70/mg20% off82scoreShop
CertaPeptidesPurity –Toxicity –10% off79scoreShop
Prime Peptide SolutionsPurity ✓↗Toxicity –May 202610% off78scoreShop
DAAVY ResearchPurity ✓↗Toxicity –Sep 2026$0.35/mg20% off77scoreShop
OuralusPurity ✓↗Toxicity –Jul 2026$0.354/mg10% off77scoreShop
Great Northern PeptidesPurity ✓↗Toxicity –Aug 202610% off76scoreShop
PepvidaPurity –Toxicity ✓↗Oct 202610% off76scoreShop
Zesty RatPurity –Toxicity –Aug 2026$0.70/mg10% off75scoreShop
Blackline ScientificPurity ✓↗Toxicity –Aug 2026$0.55/mg20% off72scoreShop
PeptiNovaPurity ✓↗Toxicity –Aug 2026$0.50/mg10% off67scoreShop
Vitality ChemsPurity –Toxicity –May 2026$0.90/mg11% off59scoreShop
Helion ResearchPurity –Toxicity ✓↗Jun 2026$0.60/mg20% off54scoreShop
from $84.97$1.70/mg100scoreShop
from $39.99$0.55/mg93scoreShop
from $55$0.55/mg100scoreShop
from $79.99$0.80/mg92scoreShop
from $45$0.89/mg86scoreShop
from $59$0.59/mg90scoreShop
from $27$0.39/mg93scoreShop
from $49.99$0.50/mg88scoreShop
from $70$1.06/mg95scoreShop
from $39.99$0.58/mg89scoreShop
from $38.50$0.59/mg99scoreShop
from $44.99$0.75/mg84scoreShop
from $49.99$0.70/mg78scoreShop
from $48$0.96/mg81scoreShop
from $20.99$0.42/mg85scoreShop
from $20$0.20/mg100scoreShop
from $34.99$0.60/mg88scoreShop
from $35$0.49/mg85scoreShop
from $44.99$0.45/mg83scoreShop
from $39.99$0.40/mg82scoreShop
88scoreShop
from $18$0.36/mg88scoreShop
from $39.99$0.55/mg95scoreShop
83scoreShop
from $64.90$1.30/mg80scoreShop
from $27$0.41/mg86scoreShop
from $50$1/mg81scoreShop
78scoreShop
from $44$0.44/mg75scoreShop
from $25.19$0.504/mg87scoreShop
from $25$0.48/mg89scoreShop
from $34.99$0.55/mg90scoreShop
from $49.99$0.50/mg64scoreShop
from $50$0.50/mg88scoreShop
from $49.99$0.70/mg83scoreShop
from $45.99$0.70/mg82scoreShop
from $34.99$0.70/mg75scoreShop
from $43.20$0.576/mg84scoreShop
79scoreShop
76scoreShop
79scoreShop
from $29.99$0.60/mg54scoreShop
from $34.99$0.45/mg77scoreShop
from $35$0.35/mg77scoreShop
83scoreShop
from $34.99$0.50/mg67scoreShop
from $35$0.55/mg72scoreShop
43scoreShop
from $39.99$0.48/mg33scoreShop
31scoreShop

All 67 GHK-Cu sellers, ranked by Evidence Score →

Prices come from each vendor's own public store data and may exclude shipping, discounts or bulk pricing. Research-use products; not medical advice.

About GHK-Cu

What it is

It binds copper strongly, forming GHK-Cu.

The compounds listed on this page are for research purposes only, not for human consumption. Not medical advice.

Related: GLOW blend · KLOW blend · BPC-157 · TB-500

GHK-Cu: more questions people ask

Which GHK-Cu vendors have lab reports confirmed by the testing lab?

52 as of November 12, 2026. Those whose confirmed reports cover both purity and toxicity: BioLongevity Labs, Lost Coast Aminos, Bench Grade Peptides, Platinum Lion, Retaone Labs, True Peptide Labs, PeakForce Labs and Ascension Peptides and 19 more. PepAssess matches each report to the issuing lab's own public record, not the vendor's copy.

How can I tell if a GHK-Cu certificate of analysis (COA) is real?

Look the report up in the testing lab's own records — most labs that test peptides publish a lookup by report ID, QR code or lot number. PepAssess does this for every GHK-Cu report it finds: as of November 12, 2026, 52 of the 57 sellers publishing a GHK-Cu report had one the lab confirmed.

How much does a vial of GHK-Cu cost?

As of November 12, 2026, a 50 mg vial of GHK-Cu costs a median $42.69 across the 208 sellers PepAssess found with one in stock (lowest $8.75); a 100 mg vial, a median $54.99 across 198 sellers (lowest $22.90); a 200 mg vial, a median $153 across 30 sellers (lowest $35). Each seller's lowest in-stock price for that size counts once; prices come from each seller's own store and exclude shipping and discounts.

Can you buy GHK-Cu as capsules, a cream, a pen or a nasal spray?

Yes. As of November 12, 2026, 566 of the 67 GHK-Cu sellers PepAssess lists sell a vial; 61 capsules or another oral form, 59 a cream or topical, 34 a pen or pre-filled form and 30 a nasal spray. Counts come from each store's own product names. A lab report covers the product and batch it names — check that it's for the form you're buying.

Which peptide blends include GHK-Cu?

PepAssess tracks 2 blends that include GHK-Cu: KLOW blend (BPC-157, GHK-Cu, KPV and TB-500), 59 sellers; and GLOW blend (BPC-157, GHK-Cu and TB-500), 55 sellers. Each has its own page with sellers, prices and lab reports, as of November 12, 2026. KLOW blend sellers and lab reports

How do I know if a GHK-Cu seller is legit?

Check what the seller can show. As of November 12, 2026, PepAssess checks every GHK-Cu seller for three things: a GHK-Cu lab report that the testing lab confirms on its own records (52 of 67), card payments, which let you dispute a charge (57 of 67), and a published street address — not a mailbox or registered agent (23 of 67). Each seller's PepAssess profile shows which of these it has.

Are there GHK-Cu coupon codes?

Yes. PepAssess lists coupon codes for 67 vendors selling GHK-Cu: BioLongevity Labs: PEPASSESS (15% off), Hydro Research Peptides: PepAssess20 (20% off), Lost Coast Aminos: PEPASSESS (10% off), Myoasis Labs: pepassess (20% off), Glow Peptides: PEPASSESS (10% off), Bench Grade Peptides: PEPASSESS (10% off) and 61 more.

CertaPeptides products are for research use only and not for human consumption.