Choline should be used with caution if there is a disposition for water retention, since it boosts aldosterone activity, which in turn results in sodium retention. However very low sodium levels can also result in edema, in which case sodium retention as a result of boosting someone's aldosterone levels is advantageous and can at times lead to tremendous water weight loss. As mentioned above, licorice is also a treatment remedy for low aldosterone types, provided blood sugar levels are not negatively affected... 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...