vitamin b1 b6 b12 injection side effects Deficiency: Symptoms, Causes & Treatment How Quickly Does B12 Shot

Vitamin B12 and folate deficiency can cause a wide range of problems, including: extreme tiredness a lack of energy pins and needles (paraesthesia) a sore and red tongue mouth ulcers muscle weakness disturbed vision psychological problems, which may include depression and confusion problems with memory, understanding and judgement Some of these problems can also happen if you have a deficiency in vitamin B12 or folate but do not have anaemia

Vitamin B12 injections can help to replace the vitamin in your body and improve the symptoms of your B12 deficiency

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The injections offer direct delivery into the bloodstream, which avoids the digestive limitations associated with oral supplements

Effects peak around 3 hours and diminish over 8-12 hours as the drug leaves your body