Supplementing large amounts of single nutrients can also have a dramatic effect on mineral ratios, where for instance taking higher doses of Vitamin B6 on a long-term basis will ultimately result in a high magnesium low calcium ratio. Injections of Vitamin B6 given at weight loss clinics affect calcium magnesium ratios even faster, and if not matched to the individual's nutritional requirements, can lead to a severe calcium deficiency with the usual variety of low calcium-related medical symptoms... 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...