The action of strontium is closely related to that of calcium, although retention of strontium varies inversely with calcium intake. Supplementing larger amounts of strontium increases calcium, but not magnesium retention, and it has the potential to lower stomach acid levels, insulin, WBC, germanium, fluoride, bismuth, and silicon. These effects should be kept in mind when considering strontium in the treatment of osteoporosis... 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...