Xylitol does not require insulin for its metabolism, so unless larger amounts are consumed, it is suitable for those affected with Diabetes and Hypoglycemia. Xylitol can also be used by individuals suffering from Acne and Sugar Allergies, provided there is no adverse reaction to the source material used, such as corn, birch, or sugar cane bagasse, among 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...