Stevia: Because of its blood sugar-lowering and blood pressure-lowering potential, the sweetener stevia should be evaluated first on an individual basis, before being regularly used by anyone suffering from hypoglycemia, or general glucose tolerance problems. Feedback has been mixed, with stevia being well tolerated by some, but less so by others... 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...