Medicines & Supplements A to Z > Zinc


Last updated on June 27, 2019.

Overview   |   Dosage   |   Side Effects   |   Where To Buy  



COMMON BRAND CONTAINING ZINC IN HONG KONG: Centrum, Redoxan (Vitamin C and Zinc)

What is Zinc for?

Zinc is commonly found in various multivitamins and nutritional supplements. Zinc is also used for the treatment of the common cold.  Higher dose Zinc supplements should only be used in people with proven Zinc deficiency or Zinc-losing conditions. Zinc deficiency may occur due to inadequate diet or malabsorption; whereas excessive loss of Zinc is commonly seen in conditions with trauma, burns or protein loss.

How to use it?

The dosage of Zinc varies depending on the reason for use. When taken by mouth dosages can range from 10 to 50 mg per day. Follow the label instructions or your doctor or pharmacist’s directions.

Does Zinc have side effects?

Zinc is generally safe to use but stomach discomfort may occasionally occur.

Where to buy Zinc in Hong Kong?

In Hong Kong, Zinc is an over-the-counter medicine and it can be purchased without a prescription from any retail outlet in Hong Kong. This includes grocery stores, convenience stores, medicine shops, and pharmacies. It can also be obtained from doctors. To find a pharmacy near you, refer to the list of pharmacies (“Authorized Sellers of Poisons”) from the Hong Kong Department of Health. 

For more information about drug names and ingredients, you can visit Hong Kong’s Drug Office at

For detailed information about the use of Zinc in children, pregnancy and breastfeeding, and for questions about drug interactions, please check with your pharmacist or doctor.

Disclaimer: our goal is to provide you with the most relevant drug information and common dosage for Hong Kong. This information does not constitute medical advice. For specific treatment recommendations and advice, always discuss with your doctor or pharmacist, and follow the instructions included with your specific medicine.