Side Effects
When you are taking oral supplements of zinc or even consuming foods rich in zinc, there will likely be no harm if your body is receiving amounts of no more than 40 mg per day. In addition, it is possibly safe for the body to take zin even in large doses particularly when you use it only for a slight period. However, the intake of amounts more than 40 mg per day might minimize the normal absorption of copper in the body. Consuming excess doses of zinc is likely turns harmful especially when it continues for a longer period and might lead to vomiting, stomach pain, and a lot of other health problems. Taking single doses of 10 to 30 grams of zinc can be lethal for you.
Topical application of zinc:
Zinc is fortunately safe when you apply it to the skin. Application of zinc-containing topical products on damaged or broken skin might result in itching, tingling, stinging, and burning.
Inhalation of zinc:
Zinc is likely unsafe when you inhale it inside your lungs through the nose. Zinc inhalation might lead to permanent loss of smell and rarely taste as well. You must avoid nasal sprays containing zinc.