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Sterile saline without preservative allows bacterial growth within 48 hours at room temperature

By John Comandari, Beyond Stem Cells (Littleton, CO) GHK-Cu has become a favorite among our patients focused on looking as young as they feel

Multi-dose vials: Each needle puncture creates potential entry point for contaminants After 10-15 punctures, seal integrity weakens Recommendation: Use vial within 28 days even if seal appears intact Single-dose draws: If drawing entire vial in one session, seal integrity not an issue Can preload syringes for convenience (store in fridge, use within week) Extending shelf life: tips and tricks While 28-30 days is standard, these practices maximize longevity

Vials should be equilibrated to room temperature under desiccant before opening to prevent moisture condensation

Both antioxidants are vital for immune health but serve different purposes