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Description
How to test your vitamin B12 status The best way to check whether youre getting enough B12 on your plant-based diet is through a yearly blood test
Refrigerate unopened vials at 36 to 46 degrees Fahrenheit
How it works: Selank is a synthetic version of tuftsin, a naturally occurring immune peptide

I would think you need daily large doses of B12 to get your B12 up quickly
