[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
1 The cycle of depletion
Supplement, it really comes down to individual needs, lifestyle, and health conditions
A 6.4kg dog would then require 160mcg or 0.16 ml per dose
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