Deficiency signs: fatigue, brain fog, depression, GI issues
Fatigue
“Brain fog,” loss of mental sharpness
Neuropathies: numbness, tingling, pain
Depression
Chronic stomach inflammation
Mitochondrial dysfunction
Neural tube defects
Osteoporosis
Vitamin B12 is essential for energy production in the mitochondria, cellular repair, DNA repair, protection of the myelin sheath that protects the neurons, and is also centrally important for the production of neurotransmitters.
