When taken by mouth: Zinc is likely safe when used in amounts no greater than 40 mg daily. It is possibly safe when taken in larger doses, especially when used only for a short period of time.

If you’re taking high doses of vitamin E or anticoagulants, consult a healthcare provider to balance your vitamin K intake. Zinc and copper compete for absorption in the intestines. High levels ...

The absorption is maximum on an empty stomach but if you ... Since zinc is a trace mineral, avoid taking high dose zinc supplements unless recommended by a doctor. For adult males, the Recommended ...