Some practitioners recommend 10 mg of Biotin a day for both, various types of muscle cramping, and also for Restless Leg Syndrome , since some dialysis patients suffering from Restless Leg Syndrome have tested deficient in that B-Vitamin. In some cases, the symptoms of Restless Leg Syndrome can be attributed to Iron or Folate deficiency, resulting in lower dopamine production... Full Text
Dr. Ronald Roth's Research Library on Cellular Nutrition and Health Disorders
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...