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Dizziness and fatigue Memory loss, difficulty in concentrating, and cognitive difficulties Anemia or iron deficiency anemia Muscle cramps Shortness of breath Erratic moods and possible signs of mental health disorders such as depression Irregular or halted menstruation Inflamed tongue Low energy Hair Your Vitamin B12 deficiency may also be a symptom in itself of other diseases such as SIBO ( Small Intestinal Bacterial Overgrowth ) or other gut-related disorders
Contributing factors include age, gastrointestinal conditions, certain medications, and dietary patterns such as vegetarian or vegan eating
The RDA for vitamin B12 is 2.4 mcg per day
Its oxidation causes a metabolic shift towards a higher NADH/NAD + ratio that favors enzymatic production of ROS
Oxidative stress has been implicated in the pathophysiology of autism, and enhancing antioxidant defenses through glutathione support can be a beneficial strategy