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Those who don't produce enough intrinsic factor can become deficient
B12 shots lose their effect over one to two weeks
While methylcobalamin, the more active form of B12, is ideal for many, hydroxocobalamin can be better tolerated for those folks that feel overly activated, agitated, or anxious with the more active form of B12
Methionine is an essential amino acid, inositol is a sugar alcohol involved in cell signaling, and choline is an essential nutrient the body uses in fat transport and metabolism
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