Prolonged consumption of high doses of zinc supplements may cause major health problems. An overdose of zinc supplement may leads to short-term symptoms and long-term complications to your body.
Acute high dose of zinc supplements: A high dose of zinc supplements can induce symptoms within half an hour of time. An acute overdose can induce symptoms like severe nausea, fatigue, vomiting, digestion problems, fatigue, diarrhea and even abdominal spasms. These symptoms are temporary which can be improved without any treatment.

Chronic overdose of zinc supplements: This takes place when you intake a bit high doses of zinc supplement for prolong time. The chronic overdose result in weakened immune system which in turn leads to urinary tract infection, anemia and reduce the level of good cholesterol. It also reduces the absorption ability in your body so you cannot absorb any needed minerals and antibiotics.

Considerations: Pregnant or nursing women should consume zinc supplement only after consulting with the doctor. If your body has high zinc level then it will pass to your baby and cause severe complications or toxicity. Low level of zinc is also cause dangerous problems as it is an essential mineral in the development of genetic material (DNA and RNA).