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The mechanism here is difficult to determine, however presumably stems from an increased production of transcobalamin II (22-24)

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The conversion of homocysteine to methionine requires the availability of choline or folic acid to provide methyl groups, so when folic acid is deficient, cells metabolize more choline, resulting in a deficiency of phosphatidylcholine, a key component of mycelin

Review the product name carefully because cyanocobalamin, methylcobalamin, and hydroxocobalamin are different vitamin B12 forms

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