What is Zinc: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Dec 31, 2020

Zinc overview

BRAND NAMES:

  • Galzin, IS-ZC 50, Natural Zinc, Orazinc 110, Orazinc 220, PharmAssure Chelated Zinc, PharmAssure Zinc, Sunmark Zinc, Zn-50, Zinc-220

Generic Names:

  • Zinc Sulfate

Uses:

  • Treats problems caused by a lack of zinc in the body.

Therapeutic Classes:

  • Zinc Supplement

Forms:

  • Capsule, Tablet

How it’s taken:

  • By mouth

What is Zinc used for?

What form(s) does Zinc come in

  • Capsule

  • Tablet

What are common Zinc doses?

  • Bottle 100 Tablets

  • Bottle 100 Capsules

  • Bottle 100 Lozenge

  • Bag 100 Lozenge

How to take Zinc

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • It is best to take this medicine on an empty stomach, 1 hour before eating a meal or 2 hours after a meal. You may take this medicine with food if it upsets your stomach. Tell your doctor if you are taking this medicine with food.

  • Follow the instructions on the medicine label if you are using this medicine without a prescription.

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • Follow the instructions on the medicine label if you are using this medicine without a prescription.

  • It is best to take this medicine on an empty stomach, 1 hour before eating a meal or 2 hours after a meal. You may take this medicine with food if it upsets your stomach. Tell your doctor if you are taking this medicine with food.

What to do if you miss a dose of Zinc

  • Keep all medicine out of the reach of children.

  • Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Missing one dose is generally not a problem.

Zinc contraindications

  • You should not use this medicine if you have had an allergic reaction to zinc.

Zinc warnings

  • If you are pregnant or breastfeeding, talk to your doctor before using this medicine.

Zinc interactions

  • Make sure your doctor knows if you are also using penicillamine or tetracycline. Make sure your doctor knows about all other supplements you are using, such as iron supplements or copper supplements.

  • Avoid taking zinc at the same time you eat whole-grain bread or cereal, bran, milk, yogurt, cheese, or ice cream. These foods can keep your body from absorbing enough zinc.

Zinc side effects

Serious Side Effects

  • Dizziness

  • Upset stomach, vomiting

Less Serious Side Effects

  • Upset stomach, vomiting

  • Dizziness

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