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Use body composition, symptoms, nutrition, medications, and labs together instead of relying on one marker
Some patients, especially those on long-term or high-dose B12 treatment, may develop complications like: 1
The NHS symptoms list includes persistent tiredness, tingling or numbness in the hands and feet, mouth ulcers, a sore red tongue and problems with memory or concentration
Although the amount of cyanide in cyanocobalamin is small, individuals with compromised detoxification pathways may benefit more from Methylcobalamin
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