Vitamin B12 and folic acid supplementation in megaloblastic anemia leads to the improvement of anemia due to :
High-Yield Explanation
A i.e. Increased DNA synthesis in bone marrowCobalt containing Vitamin B12 is found only in food of animal origin and is absorbed from distal ileumQ. B12 & folic acid supplements treat pernicious (megaloblastic) anemia by increasing DNA synthesis in bone marrowQ.