side effects from taking zinc tablets
Zinc Safety and Side Effects. Zinc is safe for most adults when applied to the skin, or when taken by mouth in amounts not larger than 40 mg per day for adults age 19 and older.Routine zinc supplementation is not recommended without the advice of a healthcare professional.In some people zinc might cause nausea, vomiting, diarrhea, metallic taste, kidney and stomach damage, and other side effects. Using zinc on broken skin may cause burning, stinging, itching, and tingling.outine zinc supplementation is not recommended without the advice of a healthcare professional. In some people zinc might cause nausea, vomiting, diarrhea, metallic taste, kidney and stomach damage, and other side effects.