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Alcohol can interfere with B12 absorption, making it harder to maintain adequate levels

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[10] Vitamin B is an essential nutrient for fetal development, and untreated B deficiency in a pregnant woman can lead to serious neurological damage in the infant

Types of B12: The most common forms are cyanocobalamin (a stable, synthetic form) and methylcobalamin (an active form)

And in the 80s it increased to every three months, which is still what they use today
