Symptoms of B12 deficiency include: Fatigue Low mood or personality/mood changes Irritability Lethargy Headaches Palpitations Loss of appetite Pale yellow tint to the skin A feeling of pins and needles (paraesthesia) Poor memory Impaired cognitive performance Depression Weakness Impaired digestion Inflammation Gastrointestinal lesions Neurological damage Since B12 is primarily found in animal products, any change in ones diet that leads to a decrease in the consumption of such products such as a vegan , vegetarian, or low-fat diet can increase the chance of a person developing a B12 deficiency
19 Correction of deficiency different formulations of B12 As mentioned above, cobalamin exists in various forms
37,38 Sympathetic signaling activates the hypothalamic-pituitary-adrenal (HPA) axis, a network that connects the nervous system to the adrenal glands and controls their release of the bodys primary stress hormone, cortisol
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When joint aches occur after starting B12 therapy, they are typically coincidental or related to other factors rather than the vitamin itself
Symptoms of Vitamin B12 deficiency may include numbness, weakness, abnormal gait, memory loss, depression, and anemia among others