Vitamin B12 deficiency risk factors
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Overview
For vegans, the risk is very high because none of their natural food sources contain B12. One American study found blood levels below normal in 92 % of vegans, 64 % of lacto-vegetarians, and 47% of lacto-ovo vegetarians.[1] The study applied the old normal values, so in reality a considerably greater proportion may have been deficient.
Risk Factors
References
- ↑ Dong A and Scott SC (1982). “Ann Nutr Metab 26(4):209-16”.
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