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Some people need a short course, while others with long-term deficiency may require regular injections as advised by a healthcare professional
Hypokalemia and sudden death may occur in severe megaloblastic anemia which is treated intensely
Researchers are exploring its potential in metabolic health, longevity, and other cellular processes in 2026
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
The duration of the effects of B12 injections varies depending on individual factors such as metabolism and the frequency of injections
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