To alleviate the symptoms of fatigue due to travel, and time zone crossing

When: Developed in 1990

Purpose: To alleviate the symptoms of fatigue due to travel, and time zone crossing

Sold: International airports, online, travel stores and pharmacies.

Manufactured: New Zealand

Price: About $10 for a package of 32 tablets (40 hours of flying time worth). Includes a money back guarantee.

How: Take one or two tablets every few hours during a flight