Tag: Vitamin b test

According to the National Institutes of Health, vitamin B12 deficiency is common in older adults, affecting up to 20% of the population. This guide explores how do you know if you're deficient in B vitamins and the tell-tale symptoms to watch for.

According to the National Institutes of Health, vitamin B12 deficiency affects approximately 6% of adults under 60 in the United States, highlighting the need for accurate testing. To get a precise result, you may need to fast for a vitamin B blood test, but the exact requirements depend on which specific B vitamins are being measured.