When traveling by plane, certain beverages should be avoided to ensure your comfort. It is strongly recommended to avoidalcoholas it accentuates the dehydration due to altitude. In addition, avoid consumingtap waterfrom tea and coffee because of possible bacteria in the reservoirs. Visit sweet beverages and sodas aren't ideal either, as they can cause unpleasant bloating. This guide highlights the choices to be made for a more serene and comfortable flying experience.
Alcoholic beverages: an invitation to dehydration
On board an aircraft, because of the cabin pressure, the alcoholic beverages have more intense effects. Not only can they amplify the feeling of weariness caused by flying, but they also contribute to the body's dehydration. In other words, champagne bubbles or a glass of wine often turn into a trap for the ill-informed traveller. Nutritional advice recommends replacing them with water or unsweetened beverages to prevent airsickness.
Tea and coffee: hot drinks to be avoided
Why you should avoid ordering a tea or coffee on board? It seems that the water used to prepare these drinks isn't always as fresh as you'd hope. What's more, the combination of caffeine and atmospheric pressure can create an undesirable cocktail for your blood circulation. To find out more about the right nutrition to follow when flying, this in-flight nutrition guide is worth consulting.
Tap water: an unwise choice
Hard to believe, but thetap water on board aircraft is one of the biggest sources of contamination, due to tanks that are rarely cleaned. It is advisable to always opt for bottled water to avoid any risk of contamination. To understand why liquids are restricted on board, particularly for health reasons, take a look at the regulation of liquids in the cabin.
Soft drinks: watch out for bubbles
Visit soft drinks may seem harmless, but at high altitudes they often cause unpleasant bloating due to gas expansion. This can make your journey uncomfortable. For those who want to maximize their in-flight comfort, this detailed article on how to rest well on a plane can be very beneficial.
Sugary drinks: the enemy of rest
Visit sweet beverages not only increase blood sugar levels, they can also interfere with your sleep cycles, causing energy peaks followed by sudden drops. If you're one of those people who want to leave themselves time to travel serenely, I recommend this guide to travelling with peace of mind.

Drink | Reason for avoidance |
Alcohol | Dehydrates the body and increases fatigue. |
Tap water | Risk of bacterial contamination. |
Café | Can cause anxiety and dehydration. |
Tea | Similar to coffee: beware of bacteria. |
Sodas | Too sweet, promotes dehydration. |
Orange juice | Acidity that can irritate sensitive stomachs. |
Hot milk | May cause digestive discomfort. |
Energy drinks | Nervousness and palpitations. |
Sweet mixers | Sugar and alcohol: a dehydrating combination. |
Syrups | Too sweet, irritates dry throat. |