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Description
If vitamin B 12 intake ceases, deficiency would usually not develop for at least 1-2 years, sometimes even longer

Though not a cure, it can be part of a larger, holistic support system

Vitamin B12: another water-soluble vitamin that is easily absorbed by the body and plays a role in metabolism processes [3]

If that's insufficient for your risk tolerance, wait for longer-duration data to publish

Buenda, R
