To help the symptoms, or until any of several possible causes for low stomach acid are resolved, a digestive aid or remedy containing Glutamic acid Betaine Pepsin should be taken with every larger meal. Some patients get relief with larger amounts of Betaine without the Glutamic acid, or they have good results using lemon or lime water, or apple cider vinegar. The only contraindications are gastritis, GERD, an ulcer, or when stomach acid levels are in fact high, which would prohibit the use of acid-raising remedies.... 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...