According to the SmPC, this medicinal product typically does not require any special storage conditions beyond normal room temperature
Cirri D, Pratesi A, Marzo T, Messori L
Because of this quick conversion into NAD+, NMN supplements target cellular health to support healthy aging
Do not leave a needle inserted in the stopper between uses, because this "creates a direct route for microorganisms to enter the vial and contaminate the fluid." How Long Is Unopened BAC Water Good For
First, confirm the form: the literature you are referencing almost always concerns the copper complex, so the material and its Certificate of Analysis should state GHK-Cu explicitly, not just GHK
A protein source with all nine essential amino acids is considered a complete protein