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For many individuals, oral B12 supplements are ineffective due to such underlying conditions as: Pernicious anemia : People with this condition lack intrinsic factor, a protein required for B12 absorption in the small intestine
Homocysteine and methylmalonic acid (MMA) levels
Wprowadzenie maych krokw do poprawy stylu ycia oraz zmiana diety mog pomc wyeliminowa negatywne czynniki zewntrze
It has no established or approved human use
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