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Vitamin B12, also known as cobalamin, is a crucial water-soluble vitamin that plays a vital role in various bodily functions
But dark yellow urine could be a sign of dehydration
The essential vitamin provides an energy boost and aids in the digestion and metabolism of fats, proteins, and carbohydrates
Results from a 2017 study show an association with consuming high-dose B6 and B12 vitamin supplements over 10 years with an increase in lung cancer risk in men, especially smokers (Brasky, 2017)
If the vial sits out for a few hours while you are drawing doses, that is fine
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