If caused by a mineral deficiency, one-sided leg cramps or calf spasms can help with the decision of what to supplement, whereby the left side is generally indicative of extra Calcium requirements, while the right side is usually an indication of extra Magnesium being needed. If right-sided muscle cramps respond to calcium, dehydration is suspect, and extra sodium or potassium may be required instead... 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...