50mg ghk-cu 50 mg GHK-Cu 50mg Snap Pen -
Description
The ampoules were probably OK for a short while after expiration , but I would not use them now 4 months later

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Early warning signs of Vitamin B12 deficiency often include persistent fatigue and weakness, brain fog, memory and concentration issues, a smooth or sore tongue (glossitis), pale or yellowish skin, and tingling sensations in hands or feet
