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Several B vitamins support neurological health, but B12 is often the most closely associated with these symptoms

Vitamin B12 in neurology and ageing

So it is fair to ask: does it really matter where you get your B12 injection

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Keywords: Parkinsons disease, Vitamin B12, Vitamins, Homocysteine, Motor, Non-motor Introduction Parkinsons disease (PD) is a multicomplex, multi-neurotransmitter, progressive chronic disease which encompasses not only motor features (such as bradykinesia, rigidity, tremor, and gait disturbance) but also nonmotor features (including constipation, neuropathy, pain, and cognitive decline (Sauerbier et al