What should I eat to prepare for high altitude?
Isabella Bartlett
Updated on January 21, 2026
Carbohydrate is also your body's preferred energy source, especially at high altitudes. Researchers recommend at least 60% of your intake be from carbohydrates. This can be done by eating foods and drinking fluids that contain carbs.
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Sources of carbohydrates:
- Bread.
- Pasta.
- Fruit.
- Potatoes.
- Milk.
- Rice.
- Quinoa.
- Tortillas.
What should I eat before high altitude?
Eat Well. Foods that are high in carbohydrates and potassium can be helpful in alleviating the symptoms of altitude sickness. Before you start your ascent, load up on bread, fruits, pasta, and other heavy carb meals. Avoid eating foods that are high in sodium as this can lead to dehydration of your body's tissues.How do you prepare your body for high altitude?
Top 7 Tips for Altitude Sickness Prevention
- Climb slowly. Your body needs about two to three days of slowly going higher in order to adjust to the changes. ...
- Eat carbs. It's not often we're told to eat extra carbohydrates. ...
- Avoid alcohol. ...
- Drink water. ...
- Take it easy. ...
- Sleep lower. ...
- Medication.
Can you prepare for altitude sickness?
Acclimate before heading upAdjusting to a higher altitude can take a day or two, so if you're not in any hurry, plan to take it slow and spend a couple nights at an intermediate altitude. This will give your body time to adapt to a lower level of oxygen and pressure.
What is a high altitude diet?
Eat Enough:Even though carbs are the preferred fuel at altitude it's always better to eat the wrong food than no food at all. Best bets: whole wheat pancakes, or oatmeal (with nuts, butter and raisins) for breakfast. Sports drinks or low fat energy bars can be consumed while skiing. Avoid a big lunch.
Wilderness Medicine: How To Prepare For High Altitudes
Are bananas good for altitude sickness?
Bananas and other foods, which are rich in potassium, are great options to help your body acclimate to altitude. Complex carbohydrates will stabilize your blood sugar and help maintain energy throughout the day.What vitamins help with altitude sickness?
Objective: Clinical studies have shown that oral vitamin C supplementation can reduce serum uric acid levels in multiple populations and may also improve acute mountain sickness.What is the fastest way to adjust to high altitude?
Here's how you can adjust to altitude quickly and safely, so you can get on to having an amazing trip.
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- Drink Lots of Water. ...
- Reduce Your Exercise. ...
- Get Enough Sleep. ...
- Limit Your Alcohol Intake. ...
- Increase Your Potassium Levels. ...
- Protect Yourself From the Sun.
Do electrolytes help with altitude sickness?
A critical component up in high country is monitoring your electrolyte balance, as it helps you combat altitude sickness and nausea.What can I take for altitude headache?
High-altitude headache responds to ibuprofen, and can be prevented, at least in some individuals or to some degree, by aspirin, furosemide, acetazolamide (Diamox®) before reaching high altitudes. For acetazolamide 250mg 2x per day (500mg total each day) is possibly more effective than lesser amounts.How do you train your lungs for high altitude?
Deep BreathingOne way to compensate for a decreased intake of oxygen at high altitudes is to slow down your breathing rate, but increase the depth of your breaths. Instead of breathing quick, shallow and only in your lungs, breathe slow, deep and inhale until your stomach expands.
Who should avoid high altitudes?
Heart patients who are never physically active shouldn't start being active while at high altitudes. Evidence suggests that heart failure patients should avoid climbing more than 300–500 meters a day when in high-altitude locations, since drastic changes in elevation can worsen symptoms.Is living at a higher altitude better for you?
The available data indicate that residency at higher altitudes are associated with lower mortality from cardiovascular diseases, stroke and certain types of cancer. In contrast mortality from COPD and probably also from lower respiratory tract infections is rather elevated.How do you calm altitude sickness?
Treating altitude sickness
- stop and rest where you are.
- do not go any higher for at least 24 to 48 hours.
- if you have a headache, take ibuprofen or paracetamol.
- if you feel sick, take an anti-sickness medicine, such as promethazine.
- make sure you're drinking enough water.
- do not smoke, drink alcohol, or exercise.