symptom of vitamin B12 deficiency is jaundice, or icteris. This manifests as a yellow or green discoloration of the skin and whites of the eyes. This symptom is caused by elevated levels of bilirubin, a breakdown product of red blood cells. When the production of healthy red blood cells is disrupted due to a B12 deficiency, bilirubin accumulates in the blood, giving the skin and eyes a yellowish tint. Typically, the skin appears pale with a yellowish hue.
Blurred vision
A severe vitamin B12 deficiency can also affect vision. This
