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Description
A.BasuP.CohenL.et al (2022)

Recommended flow rate

It's more common than you think

Monthly B12 injections or high dose oral supplements (0.5 mg) can be prescribed to correct a diagnosed deficiency but many researchers feel that it is a good idea for everyone over the age of 50 to take a B12 supplement, which includes at least the daily value of 2.4 micrograms
