Current British Society of Gastroenterology guidance suggests considering a baseline upper GI endoscopy with biopsies in adults aged 50 or over with confirmed pernicious anaemia to document autoimmune gastritis
Unnecessary supplementation may mask other underlying causes of fatigue or health concerns
Historical Background and Scientific Context Scientific interest in metabolic regulatory enzymes expanded rapidly during the late twentieth century as molecular biology techniques improved
How often you can have vitamin B12 injections depends on why you are deficient, how well your body absorbs B12, and the dose you are on
However, no research directly compares continuous use versus cycling protocols (such as 12 weeks on, 4-8 weeks off), leaving optimal long-term strategies somewhat uncertain
My B12 came as a powder with vials of water, what do I do