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Each vial provides about 10 days of dosing at 500 mcg/day or about 16-17 days at 300 mcg/day after reconstitution
Benzyl alcohol oxidation to benzaldehyde is temperature-dependent
Vitamin B12, or cobalamin as the scientists call it, is truly one of your body's best friends
Some people notice the energy boost from B12 injections within a few hours
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