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Taking in too much zinc, whether from supplements or other products, can cause side effects, including digestive issues, changes to your sense of taste, and copper deficiency.
Too much zinc can be harmful and may result in symptoms such as nausea, diarrhea, and headaches. Learn about the causes, symptoms, and treatment of zinc toxicity here.
Zinc supplements are generally well-tolerated. But taking too much zinc can cause side effects like diarrhea, stomach pain, and vomiting. It’s possible to overdose on zinc supplements. Contact Poison Control at 1-800-222-1222 for advice if you think you’ve accidentally taken too much zinc.
Zinc is a vital mineral for our bodies, but taking too much can lead to problems. While zinc supports our immune system and helps with wound healing, going overboard can backfire. Too much zinc can cause symptoms like nausea, diarrhea, and headaches.
Food sources of zinc include chicken, red meat and fortified breakfast cereals. People use oral zinc to help treat colds, but it can decrease the effectiveness of certain drugs and cause side effects. The recommended daily amount of zinc is 8 milligrams (mg) for women and 11 mg for adult men.
Too much zinc is caused by taking too many dietary supplements or zinc-containing cold medications, overusing denture cream, eating objects made of zinc (like pennies), ingesting industrial chemicals, improper intravenous feeding, or breathing in zinc fumes.
What are the side effects of too much zinc in the body? Excessive zinc intake can cause gastrointestinal issues, such as nausea, vomiting and diarrhea. Other symptoms may include dizziness, headaches, weakness and interference with copper absorption, which can lead to deficiencies.
Zinc excess occurs when the body has too much of the mineral zinc. Zinc is widely distributed in the body—in bones, teeth, hair, skin, liver, muscle, white blood cells, and testes.
Zinc is essential for overall health, but you can still consume too much. Here's what to know about daily zinc needs and how to handle an overdose.
Ingesting larger amounts (200 to 800 mg/day), usually by consuming acidic food or drinking from a galvanized (zinc-coated) container, can cause anorexia, vomiting, and diarrhea. Chronic toxicity may result in copper deficiency and may cause nerve damage.