If not matched to a patient's requirements, which frequently happens when Vitamin B6 B12 injections are given at Weight Loss Clinics, a severe calcium deficiency develops. This by itself - or when aggravated by an overstimulated thyroid from regular Vitamin B6 B12 shots - can result in insomnia, anxieties, depression, mood swings, heart palpitations, chest pains, bone, joint, muscle pains, and or other symptoms... 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...