Although there are reports that Vitamin C inhibits selenium absorption by inactivating it in the small intestine or stomach, this is not supported by Dr. Ronald Roth's own findings, or those by most other researchers. In fact, ascorbic acid supports selenium uptake by interfering with the inhibitory action of zinc on selenium, particularly when organic forms are used... Full Text

Manganese may help with some symptoms of Parkinson's disease such as muscle rigidity and twitching...
Research shows that phytosterols such as beta-sitosterol may help normalize the function of natural killer cells and T-helper lymphocytes...
Iron deficiency may be suspect with some forms of ADHD. 84% of children with ADHD were found to have abnormally low levels of ferritin...
A high intake of B Vitamins can trigger heart palpitations, HBP, major complications in patients with congestive heart disease...