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The prevalent causes of vitamin B 12 deficiency are (1) an autoimmune condition known as pernicious anemia, and (2) a disorder called food-bound vitamin B 12 malabsorption

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Updated April 17, 2023

Sikiric, P., Mikus, D., Seiwerth, S., et al

Other forms of folate include: DHF or dihydrofolate THF or tetrahydrofolate 5-MTHF or 5-methylenetetrahydrofolate 5, 10-MTHF or 5, 10-methylenetetrahydrofolate Folate is naturally available in green leafy vegetables (e.g., spinach, Brussels sprouts, broccoli, asparagus), beans, peanuts, citrus fruits (lime, lemon, orange), beef liver, and seafoods