can vitamin b12 injection cause diarrhea What are the benefits of injection? Benefits of Vitamin B12 Shots – can b12 injections give you

Tablets must be absorbed through the gut, which is a problem for people with absorption issues such as pernicious anaemia

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Vegetarians are indeed at risk of developing vitamin B12 deficiency since vegetarians have a lower intake of vitamin B12 than non-vegetarians

The NHS symptoms list groups them into general anaemia symptoms (tiredness, breathlessness, headaches, loss of appetite, weight loss) and neurological signs (peripheral neuropathy, balance problems, depression, memory and concentration changes, sometimes mood changes or psychosis in advanced cases)