Biomarkers of cobalamin (vitamin B-12) status in the epidemiologic setting: a critical overview of context, applications, and performance characteristics of cobalamin, methylmalonic acid, and holotranscobalamin II
B12 supports red blood cell formation and nervous system function, helping maintain energy levels while your body adjusts to reduced caloric intake and metabolic changes
When the HOPE-2 trial (51), and other major trials such as VISP and VITATOPS (52), were re-analyzed, specific subgroups were identified that were most likely to benefit from B vitamin supplementation in reducing stroke risk, including (1) adults less than 69 years of age, (2) those not exposed to folic acid fortification, (3) those with elevated homocysteine or cholesterol, and (4) those who were not taking anti-platelet or lipid-lowering drugs
It works directly through the nervous system to increase arousal, desire, and sexual satisfaction
Complications As most cases of vitamin B12 deficiency or folate deficiency can be easily and effectively treated, complications are rare