An increased rate of the
chemical processes that take place in the body (metabolism), as
might happen with an overactive thyroid (hyperthyroidism). This uses up the body's store of
folic acid faster than it is absorbed.
Not absorbing or retaining folic acid.
Drinking too much alcohol interferes with
the absorption of folic acid in the body, because alcohol increases the amount
of folic acid that is lost through the urine.
People who have
severe kidney problems may need to have a procedure that cleans the blood
(hemodialysis), which increases folic acid
Uncommon disorders in the intestines, such as celiac
sprue, can interfere with the body's ability to absorb