According to the May/June ’10 Well Being Journal, whole grains contain a substance called phytic acid that combines with iron, calcium, magnesium, copper and zinc in the intestines and blocks their absorption. Could eating too much wheat be contributing to the high incidence of deficiencies in those important minerals?
Zinc is key in maintaining optimal testosterone levels, so it could be adding to low T as well. But there’s more: “Whole grains also contain enzyme inhibitors that can interfere with digestion.”
For more on how wheat can damage your health—and maybe even your sanity—see Wheat Belly by Dr. William Davis (Rodale Press; 2011).