US$ 25.81
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Description
For 500mcg: draw to the 20 unit mark (0.20ml)

Within a week: Improved mood and mental clarity

Without enough B12, you can experience neurological issues like numbness, tingling, or balance problems

Neurological symptoms like tingling or numbness could take several weeks or months of consistent treatment to improve
Additionally, it strengthens immune function, enhances energy levels, and aids in mental clarity