

![]() |
Pernicious anemia is caused by a lack of intrinsic factor. Intrinsic factor is a protein produced by the stomach that binds to vitamin B12.
|
|
Eventually, the parietal cells stop functioning altogether. Other important products of parietal cells are also lessened, including stomach acid, and an enzyme involved in the digestion of proteins.People with pernicious anemia seem to have a grea...
|
![]() |
You need this substance to digest vitamin B12.Lack of intrinsic factor leads to pernicious anemia and vitamin B12 deficiency.Babies that are born without intrinsic factor cannot properly absorb vitamin B12 starting around 6 months of age. Children...
|