As you work through changing your body's clock, keep in mind you may need extra time when you get to your destination, too. This can be especially important before a business meeting. Arrive early and give your body even more time to adjust. Since jet lag comes on primarily when you're circadian rhythm is thrown out of whack, you need to do whatever you can to limit the effects. That might also mean tricking your body through the use of supplements such as melatonin, which is a natural chemical in the body that helps regulate our sleep.
Preparation leading up to your flight is crucial to fighting the effects of jet lag. But if you feel it setting in, be prepared to deal with it. Try to have plenty of water readily available and don't be afraid of carrying medicines that will help alleviate these symptoms. What works for one person may not work for everyone. That's why the best way to fight jet lag is to educate yourself and be prepared. Only then will you be able to function properly while hopping time zones.
For more on jet lag and other travel-related topics, take a look at the links on the next page.