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treated people suffering from severe B12 malabsorption with 2,000 g of cyanocobalamin per day (Kuzminski, 1998)
As it gets worse, people might feel: Pain or burning sensations Muscle weakness Difficulty walking or maintaining balance Sensitivity to touch These symptoms can be very uncomfortable
Side effects, contraindications, and what to discuss with your provider before starting
Signs that you may need a B12 shot include fatigue, pale skin, weakness, shortness of breath and loss of appetite
Still, new or persistent symptoms deserve a medical check to rule out other causes
For more on how a dietary supplement B12 can help, its worth digging into the science
