Zinc (Zn)
The hair analysis is a good screen for Zn levels in the body. High levels of Zn can be toxic to the body. Zn is an essential element required for:
- numerous biological processes
- immune system function
- protein metabolism
- nucleic acid and energy metabolism
- co-factor for numerous enzymes
Zn absorption is affected by the following metals:
- copper
- iron
- cadmium
- lead
- mercury
Zn levels are commonly low in diabetics, those diagnosed with ADD/ADHD and autism. Symptoms of Zn deficiency include:
- fatigue
- apathy
- low stomach acid/poor digestion
- decreased vision
- lack of taste
- anorexia
- anemia
- dermatitis
- weak/brittle nails
- dry, flaky hair
- white spots on nails
- alopecia
- impaired wound healing
- male sexual dysfunction and lack of hormone production
Sources of Zn:
- anti-dandruff shampoos
- contaminated water from galvanized pipes
- welding
- over supplementation (100 mg/day)
- manufacturing of brass and bronze
- white paint
- pesticide production
Symptoms of high Zn levels:
- gastrointestinal disorders
- copper deficiency
- tachycardia
- blurred vision
- hypothermia (chronic cold body temperature)