These results build upon the findings of a previous study in 2005 by the same lab that found that 78 percent of healthy postmenopausal women had unmetabolized folic acid in their blood plasma, which is indicative of
excess folic acid intake.
Ligi continued, «The potential role of
excess folic acid intake in increasing susceptibility to disease must also be taken into consideration.»
In a new study in mice published in the Journal of Nutritional Biochemistry, scientists at the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University (HNRCA) set out to determine if
excess folic acid intake caused adverse changes in the immune system.
Not exact matches
There is not really a known upper limit for how much
folic acid is safe, but doctors sometimes advise women to keep
intake of
folic acid under 1000 mcg per day, thanks to a few reports that
excess folic acid supplementation might be associated with a slightly increased risk of wheezing and other respiratory problems in the baby.