Although there is no cure for jet lag, nutrition may help reduce fatigue and support the body’s internal clock after long-distance travel. Health experts recommend staying well hydrated, eating light and balanced meals, choosing foods rich in protein and complex carbohydrates, and using caffeine carefully. These measures, together with adequate sleep and daylight exposure, may help travelers adapt more quickly to new time zones.
Nutrition can support recovery from jet lag
Jet lag occurs when the body’s circadian rhythm falls out of sync after crossing multiple time zones, leading to fatigue, sleep disturbances, reduced concentration and digestive discomfort.
While nutrition cannot completely prevent jet lag, experts say healthy eating habits before, during and after travel may help reduce its impact and improve recovery.
Stay hydrated throughout the journey
Dehydration can worsen feelings of fatigue after long flights.
Experts recommend drinking water regularly before departure, throughout the flight and after arrival. Alcohol should be limited because it can contribute to dehydration and interfere with sleep quality. Excessive caffeine should also be avoided close to bedtime in the destination time zone.
Choose balanced, easy-to-digest meals
Light meals containing lean protein, whole grains, fruits and vegetables may help maintain energy levels without causing digestive discomfort.
Protein-rich foods may help promote alertness during the day, while meals containing complex carbohydrates in the evening may support relaxation and healthy sleep patterns. Heavy, high-fat meals are generally best avoided during long flights.
Time caffeine carefully
Moderate caffeine intake may improve alertness when consumed earlier in the destination’s daytime. However, experts advise avoiding caffeine several hours before planned sleep, as it may delay adaptation to the new time zone.
In addition to nutrition, exposure to natural daylight, regular physical movement and adjusting sleep schedules before travel can further reduce jet lag symptoms.
Why It Matters
As international travel continues to increase, jet lag remains a common challenge for both business and leisure travelers. While no single food or drink can eliminate jet lag, combining healthy nutrition with proper hydration, sleep management and daylight exposure may help travelers recover more quickly and improve overall well-being after long-distance flights.
Frequently Asked Questions
Can food prevent jet lag?
No. Food alone cannot prevent jet lag, but healthy dietary choices may help reduce fatigue and support the body’s adjustment to a new time zone.
What should I drink during a long flight?
Water is the best choice for staying hydrated. Experts recommend limiting alcohol and consuming caffeinated beverages in moderation.
Which foods are recommended?
Balanced meals that include lean protein, whole grains, fruits and vegetables are generally recommended because they provide sustained energy and are easier to digest.
What else helps reduce jet lag?
Adjusting sleep schedules before travel, getting natural daylight after arrival, staying physically active and maintaining good hydration are among the most effective strategies for adapting to a new time zone.
Sources: U.S. Centers for Disease Control and Prevention (CDC), Sleep Foundation, Mayo Clinic
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