Tag: Deficiency statistics

According to data from the National Health and Nutrition Examination Survey (NHANES), approximately 3.6% of U.S. adults are vitamin B12 deficient, but up to 12.5% may have borderline low levels, illustrating that the true scope of who is low in B12 is often underestimated. These percentages vary significantly across different demographics and global regions due to diet, age, and other factors.

Severe dietary biotin deficiency is extremely rare in healthy individuals who consume a balanced diet. However, certain risk groups face a higher likelihood of low biotin levels, with one study showing about a third of pregnant women experiencing marginal deficiency. This article explores what percentage of people have biotin deficiency across various populations and the specific factors involved.