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Vitamin B12 deficiency can cause a range of symptoms, these include: extreme tiredness a lack of energy problems with memory and ability to focus sore or red tongue a pale yellow ting to your skin pins and needles vision disturbances depression changes in mood changes in the way you walk and move How can I book a vitamin b12 injection
However, their significant logistical, psychiatric, and regulatory challenges remain a primary barrier
Psychiatry 74 , 250256 (2013)
Yes, with appropriate cold chain management
However, as people start to age or due to poor lifestyle choices, the levels of glutathione in the body start to decline