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Explore health recommendations Our nutritionist and dietitian supplement experts delve deep into the available research to determine optimal dose, absorption method and other key considerations when choosing a B12 supplement, before devising a scoring framework and rating each supplement based on what it contains

Identification of the gene responsible for the cblA complementation group of vitamin B12-responsive methylmalonic acidemia based on analysis of prokaryotic gene arrangements

However, vitamin B12 is an essential vitamin and requirements are increased during pregnancy

If you have been prescribed such medication by a medical professional, you must not cease use without consulting them first

Chen X, Zhu H, Yuan M, Fu J, Zhou Y, Ma L

Its safety and efficacy have not been determined