Methylcobalamin B12 aids in the synthesis of heme
https://www.notion.so/This-active-form-of-vitamin-B12-aids-in-the-synthesis-of-DNA-RNA-8e13235d5ab34176bfbd7c306b7625d5?pvs=4
Methylcobalamin B12 aids in the synthesis of heme, a component of hemoglobin that transports oxygen from the lungs to the body's tissues