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FAQ
Frequently Asked Questions
Is GHK-Cu third-party tested?
Yes. Every GHK-Cu lot undergoes independent third-party analytical testing to verify quality and consistency. The Certificate of Analysis for each batch is available in our COA Library.
How fast does GHK-Cu ship?
Orders placed before 6 PM EST ship the same day from our U.S. fulfillment center and arrive in 2 business days via expedited shipping. Shipping is free on orders over $200.
How should GHK-Cu be stored?
Keep sealed vials in a cool, dry environment away from direct light. For long-term storage of lyophilized research materials, refrigeration or freezing is commonly used in laboratory settings. Refer to the batch documentation for lot-specific details.