Frequently Asked Questions about GHK-Cu 80mg
Where can I buy GHK-Cu 80mg in 2026?
You can buy research-grade GHK-Cu 80mg (80mg/vial) directly from Pepta Labs starting at $53.99 per vial. We are a US-based supplier offering ≥99.30% HPLC-verified purity with independent third-party COA documentation and free shipping on all US orders. After Peptide Sciences shut down in March 2026, Pepta Labs is one of the verified vendors still operating with full third-party testing.
How much does GHK-Cu 80mg cost?
GHK-Cu 80mg (80mg/vial) starts at $53.99 per vial. Multi-vial packs are available with up to 15% savings. Use code CARD20 for 20% off your first credit card order. All orders include free US shipping. Certificate of Analysis available upon request.
Can I buy GHK-Cu 80mg with a credit card?
Yes. Pepta Labs accepts credit and debit cards (Visa, Mastercard, Amex, Discover) directly at checkout. We also accept Cash App, Venmo, Zelle, Bitcoin, and Ethereum (5% crypto discount). Use code CARD20 for 20% off your first card order.
What purity is your GHK-Cu 80mg?
Our GHK-Cu 80mg is verified at ≥99.30% purity by reversed-phase HPLC. Each batch is independently tested by a third-party laboratory — not in-house. The Certificate of Analysis includes both HPLC chromatogram and ESI-MS identity confirmation, available upon request via support@peptalabs.com.
Is GHK-Cu 80mg third-party tested?
Yes. Every batch of GHK-Cu 80mg is independently tested by a third-party analytical laboratory using HPLC for purity and mass spectrometry for identity confirmation. We never test our own products — the testing lab is a separate entity with no financial relationship to Pepta Labs. Learn how to read a COA.
How should I store GHK-Cu 80mg?
Store lyophilized GHK-Cu 80mg at -20°C for long-term stability. Keep sealed vials protected from light and moisture. See our storage guide for detailed recommendations.
How fast does GHK-Cu 80mg ship?
Orders placed before 2 PM EST ship same-day. Free standard shipping is included on all US orders with no minimum order amount. Most domestic orders arrive within 2-5 business days. We currently ship to US addresses only. GHK-Cu 80mg ships as lyophilized powder in appropriate packaging.
Is Pepta Labs a Peptide Sciences alternative for GHK-Cu 80mg?
Yes. After Peptide Sciences voluntarily shut down in March 2026, Pepta Labs carries the same research-grade GHK-Cu 80mg with the added benefit of independent third-party COAs available upon request. Use code SWITCH15 for 15% off your first order.
Are your products for human use?
No. All Pepta Labs products including GHK-Cu 80mg are chemical reference materials for in-vitro laboratory use only. They are not FDA-approved. They are not intended to diagnose, treat, cure, or prevent any disease. Not for human or animal consumption. All buyers certify research-only intended use at checkout. See our Compliance Policy.