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Vitamin B12 Regulates Cytokines and Neurotrophic Factors A very new research field has brought to light astonishing new functions of B12 in the nervous system, which go far beyond its role as coenzyme and rather resemble the mode of action of a hormone: vitamin B12 regulates the level of certain neurotrophic factors such as neurotransmitters, growth factors and the so-called cytokines essential messenger substances that all assume a controlling function in numerous bodily processes (32)

B12 supports energy levels, metabolism, immune health, and nerve function

And the muscle study found the compound and exercise were additive rather than interchangeable

It helps maintain skin health and supports the normal function of the nervous system and the gastrointestinal tract

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