Items listed in the Caution column generally pose no problems for those with a healthy immune system, or some may actually improve their immune response. However depending on the amounts consumed, they are likely to cause a mucus-forming, or inflammatory response in individuals with a malfunctioning immune system. For instance, Probiotics help maintain a healthy gut, but they can be detrimental for individuals with a compromised immune system... 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...