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How often you need the vitamin B12 dosage depends on the deficiency level and whether you are anemic
Control of NAD(+) homeostasis by autophagic flux modulates mitochondrial and cardiac function
Diseases: Conditions such as diabetes and multiple sclerosis elevate the risk of developing neuralgia
High alcohol intake and certain oral contraceptives have also been associated with altered B6 status
Optimize nervous system function
Groups at increased risk of B12 deficiency include: Vegans and strict vegetarians , who avoid all animal products and are at significant risk without supplementation or fortified foods Older adults , in whom reduced stomach acid production impairs B12 absorption People with pernicious anaemia , an autoimmune condition that destroys intrinsic factor-producing cells Those who have undergone gastric surgery , including bariatric procedures, which can reduce intrinsic factor availability Individuals taking long-term metformin for type 2 diabetes, as this medication is associated with reduced B12 absorption the MHRA has issued specific safety advice on monitoring B12 levels in this group [6] [7] People with conditions affecting the small intestine , such as Crohn's disease or coeliac disease Symptoms of B12 deficiency can include fatigue, weakness, pins and needles, memory difficulties, and a sore or inflamed tongue (glossitis)
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