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Storage and Handling Lyophilized (Powder) Storage: Store in freezer at -20C for long term (up to 2 years) Can store refrigerated at 2 to 8C for several months Protect from light and moisture Allow to reach room temperature before reconstituting Reconstituted Solution Storage: Refrigerate at 2 to 8C always Protect from light (amber vials preferred) Use within 30 days for optimal potency Discard if solution becomes cloudy or discolored Topical Formulation Storage: Refrigerate for extended shelf life Airtight, opaque containers prevent oxidation Most stable in anhydrous or low water formulations Use within 3 to 6 months depending on formulation Frequently Asked Questions About GHK-Cu Research How long until visible results appear

2ml liquid Vitamin B12 ampoule available in 5 packs and 10 packs

(These effects are really due to contamination, not the water itself.) Allergic/hypersensitivity reactions: True allergy to benzyl alcohol is uncommon, but possible

doi: 10.1016/J.DEVCEL.2023.03.011 217 WengCXiJLiHCuiJGuALaiSet al

Annals of Pediatric Endocrinology & Metabolism, 24 (2), 92-98

If you are a vegan or vegetarian, it is recommended to add foods fortified with vitamin B12 or take supplements to ensure that you get adequate intake