First off the US government recommends a ridiculous number of grain consumption daily. Most who consider themselves healthy think that they're benefiting by switching from refined grains to whole grains (we know already how grains are for you though). Really though whole grains are not any better. I'm going to list some of the negatives of whole grains that I found in Going Against the Grain.
Whole grains contain no vitamin C (antioxidant for immunity, and prevention of cataracts, cardiovascular disease, and cancer).
No vitamin A and vitamin A precursor, beta carotene (reinforces immunity and promotes healthy mucous membranes).
Not a good source of B vitamins compared to the calories they provide (good for stress and energy production).
Antinutrients reduce B6 status (strong immunity, female hormonal balance, psychological well-being and prevention of homocysteine)
Contain no B12 (nerve and brain health)
Low levels bioavailable biotin (needed for metabolism essential fatty acids)
Alter the metabolism of vitamin D (bone health and strong immunity)
low levels calcium and other factors that contribute to poor calcium metabolism (bone and dental health).
Numerous elements that reduce iron absorption (iron deficiency and fatigue)
Low in protein (lean mass, normal body repair)
contain phytate and other factors that impair zinc absorption (strong immunity, proper development, and growth).
No taurine or carnitine (essential amino acid cardiovascular effects and energy metabolism).
Low in fat, but contains high Omega-6 to Omega-3 (promotion insulin resistance and pro inflammatory).
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