While Vitamin B12 can be obtained from dietary sources such as meat, fish, dairy products, and fortified cereals, some individuals may have difficulty absorbing it due to medical conditions or dietary restrictions
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LEfSe is known to reduce false positives and can highlight biological consistency across subclasses, while the KruskalWallis test used alone can achieve a lower false-negative rate compared to LEfSe 38
2 Table 2 Clinical Manifestations of Vitamin B12 Deficiency Maternal vitamin B 12 deficiency during pregnancy or while breastfeeding may lead to neural tube defects, developmental delay, failure to thrive, hypotonia, ataxia, and anemia
Transcobalamin (TC) (he active form of B 12 )