What are the side effects of too much zinc?
Too much zinc can cause gastrointestinal irritation (upset stomach) and cause immune deficiency. It can interfere with copper absorption and cause copper deficiency. Other side effects are dizziness, chest pain, shortness of breath, vomiting, yellow eyes or skin. In rare cases, if there are large doses consumed, a person may experience chills, fever, heartburn, indigestion, nausea, sore throat, unusual tiredness or weakness, abdominal pain, decrease in levels of good cholesterol, permanent loss of smell, continuing ulcers or sores in mouth or throat.
