Folic acid is safe but lacks any cardiovascular benefits, according to data presented at this year's annual meeting of the American Heart Association, held in New Orleans.
The SEARCH trial, a 12,064-person, randomized evaluation, found that 2mg of folic acid (vitamin B9), a supplement most often used to prevent neural tube defects, and 1mg of vitamin B12 per day failed to show any reduction in the primary outcome - major vascular events - compared to placebo.
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