<prompt> Which of the following is not true in vitamin B9 deficiencyVitamin B9 is stored in liver for 3 - 4 monthsDeficiency manifests as increased homocysteine and normal methylmalonic acid levels.Deficiency manifests as increase in both homocysteine and methylmalonic acid levels.Phenytoin intake can cause deficiency state of Vitamin B9  <response>: Vitamin B9 folic acid deficiency result in increased homocysteine level but methylmalonic acid level will be normal. 