Preparing for NIH Visit

Things to keep in mind for NIH visit

• Please click on the links Directions to NIH, Directions to the Clinical Center, and NIH Visitor Map to review important transportation information. Adobe PDF Reader


• Allow enough time when coming through the security gates, it can take awhile depending on the time of day. Have your driver's license easily accessible, and your vehicle cleaned out. Please click on the link NIH Visitors and Security to review information regarding security at NIH.

Additional links

The following links may also be useful in preparation of your visit to NIH:

• National Institutes of Health Airport Shuttle Service:
  • Ronald Regan Washington National Airport (DCA)
  • Dulles International Airport (IAD)
  • Baltimore Washington International Thurgood Marshall Airport (BWI)


• Division of Amenities and Transportation Services - ORS - NIH


• Things to do & Places to stay
  • https://www.bethesda.org
  • http://www.washington.org

Specific Instructions For Visit 1

• Bathing Suit

Specific Instructions For Visit 2

Further Guidelines for Overnight Fast

• The participant will arrive in the morning after an 8 hour overnight fast.
• Fasting means no food.
• You may drink only water prior to your second visit.
• Please refrain from:
  • Drinking caffeine, milk, or alcohol containing beverages.
  • Taking any medications.

What do I need to bring?

• Stool sample for analysis