Conditions affecting any stage of this absorption pathwayincluding pernicious anaemia (an autoimmune condition destroying intrinsic factor-producing cells), Crohn's disease, coeliac disease, or surgical removal of stomach or ileal tissuecan significantly impair B12 absorption despite its water-soluble properties
The initial fatigue typically represents the body adjusting to the new compounds and usually gives way to improved energy within 1 to 2 weeks
Toutefois, rappelons-le encore une fois : sil y a une carence en B12 mais un apport lev en folates par des complments ou des sources alimentaires, le VGM peut ne pas tre altr, le pige folates tant attnu par le rtablissement dun quilibre plus ou moins adquat en folates, ce qui peut empcher lalerte dans une analyse de base
(2015) Treatment of vitamin B12 deficiency-methylcobalamine
Its also recommended to be cautious in people on certain medications like levodopa (without carbidopa), as mentioned, or those with specific medical conditions, but these are matters of caution rather than strict contraindications
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