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Best foods to eat while acclimatizing to high altitudes?

April 5, 2026

Quick Answer

When acclimatizing to high altitudes, eat foods high in complex carbohydrates, rich in fiber, and low in fat and protein to help maintain energy levels and prevent altitude sickness. Include foods that are easy to digest, such as those with a high glycemic index, to minimize stomach discomfort. Opt for hydrating foods like fruits and vegetables to combat dehydration.

Hydration and Energy-Rich Foods

To combat dehydration and maintain energy levels, eat foods that are hydrating, easy to digest, and rich in complex carbohydrates. Bananas, for example, are high in potassium, an essential mineral that helps regulate fluid balance. Opt for fruits like berries, apricots, and citrus fruits, which are hydrating and contain essential vitamins and minerals. Whole grains like brown rice, quinoa, and whole-wheat bread provide sustained energy and fiber. Incorporate nuts and seeds like almonds and pumpkin seeds, which are rich in healthy fats and protein.

Low-Fat and High-Fiber Foods

When eating at high altitudes, minimize fatty and high-protein foods that can exacerbate digestion issues. Include low-fat dairy products like milk and yogurt, which are rich in calcium and protein, but low in fat. Leafy greens like spinach and kale are rich in fiber and essential minerals like iron and magnesium. Incorporate legumes like lentils, chickpeas, and black beans, which are high in protein, fiber, and complex carbohydrates.

Avoid Fatty and Processed Foods

Avoid fatty and processed foods that can worsen digestion issues and exacerbate altitude sickness. Steer clear of red meat and fried foods, which are high in fat and difficult to digest. Processed snacks like chips and cookies are not only high in fat but also low in essential nutrients. Opt for whole, unprocessed foods that are rich in fiber, vitamins, and minerals to maintain energy levels and prevent altitude sickness.

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