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This steady decrease affects their energy, physical strength, and overall vitality
B12 reduces pro-inflammatory cytokines and oxidative stress in nerve cells (Yang et al., 2021)
You may feel an energy boost within hours, but noticeable improvements in mood, cognitive function, and overall well-being can take weeks to months of consistent supplementation
[1] Renal function should be monitored if significant gastrointestinal symptoms or dehydration occur
Therefore, deficiency of Vitamin B12 is usually noticed in vegetarians or vegans