[6] If this happens, vitamin B 12 deficiency may result in sense loss, loss of sensation in the feet, difficulty walking, poor balance, blurred vision, changes in reflexes, muscle weakness, decreased smell and taste, decreased level of consciousness, mood changes, memory loss, depression, irritability, clumsiness, disorientation, dementia and, in severe cases, psychosis
However, some plants like garden cress can absorb B12 from the soil, as long as it is not deficient
Once your B12 levels are back to normal, or if a change in your diet gives your body all the B12 it needs, you may be asked to stop taking these tablets
Oral dosing in anecdotal human reports ranges from 250 mcg to 500 mcg per day, with cycles lasting 4 to 12 weeks depending on the severity of the injury