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A Singapore Government Agency Website How to identify
Official website links end with .gov.sg
Government agencies communicate via .gov.sg websites (e.g. go.gov.sg/open). Trusted websites
Secure websites use HTTPS
Look for a lock () or https:// as an added precaution. Share sensitive information only on official, secure websites.

Government officials will never ask you to transfer money or disclose bank log-in details over a phone call.

Call the 24/7 ScamShield Helpline at 1799 if you are unsure if something is a scam.

National Drug Formulary

NDF User Guide

Learn more about the key features of NDF.

Last updated 24 April 2026

Please refer to the NDF User Guide [PDF, 2.6 MB] to learn more on the key features of NDF and how to navigate through the website.