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How common is vitamin B-12 deficiency

Long COVID Fatigue Reduction Clinical Series

[25] Pellagra is a consequence of a corn-dominant diet because the niacin in corn is poorly bioavailable and corn proteins are low in tryptophan compared to wheat and rice proteins

What Does A High B12 Level Mean

Xu R, Liu X, Li A, Song L, Liang J, Gao J, Tang X
