Ascorbic Acid, or Vitamin C is an essential nutrient that Humans, as well as Apes and Guinea pigs must obtain from dietary food sources. Most other animals produce ascorbic acid in the liver from glucose, and in much higher amounts than we get from our diets today... 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...