Multiple investigations have demonstrated an association between low zinc levels in the blood and higher risk for depression.
Studies also indicate a link between higher dietary zinc and lower depression risk.
Zinc is present in high concentrations in certain brain cells that support neural plasticity — the brain’s ability to respond to the environment, thoughts, and emotions.
Other research shows that zinc supplements may even augment the benefits of antidepressant drugs.
In a double-blind placebo-controlled study published in the journal Nutritional Neuroscience, volunteers who took 30 mg of daily zinc for 12 weeks experienced a greater decrease in depressive symptoms than those taking placebo.
Experts warn that zinc treatments should be supervised by a doctor; if blood levels get too high, people can experience negative side effects.
Eating a healthy diet is probably the best and healthiest way to avoid zinc deficiency.
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