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[–] 1 point 5 months ago

You probably have enough B12 stored in your body to last for years.

Estimates suggest that a healthy adult's body holds between 2 and 5 milligrams of vitamin B12, with approximately 50% of this total amount residing within the liver. This substantial reserve is why it can take anywhere from three to five years for a deficiency to manifest after an individual stops consuming B12-rich foods.

Large numbers look impressive, though, and since it's water-soluble, you're just going to pee out the excess.

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