It supports the production of red blood cells, helps maintain a healthy nervous system, and is required for DNA synthesis
Without it, cells become large and inefficient, leading to persistent exhaustion
An expanded plasma methylation panel including SAM, SAH, methionine, homocysteine and related analytes provides more information than MTHFR testing alone
BM biopsy revealed hypercellular marrow with erythroid hyperplasia and no significant dysplasia or increase in blasts along with a DNMT3A missense mutation of unknown significance on myelodysplastic syndrome panel testing
The Endocrine Society publishes clinical practice guidelines on obesity management that include sections on incretin-based therapies
Gastrointestinal absorption of vitamin B 12depends on the presence of sufficient intrinsic factor and calcium ions