What astronauts eat while floating in space; check the supplements they take to meet nutritional needs

Eating in space is no easy task. Microgravity, or the lack of gravity, poses several challenges. For instance, without gravity, food and liquids can float away, making mealtimes tricky.

Sheetal Kumari

September 26, 2024 / 09:40 IST

Extended ISS stay for Williams, Wilmore (Image: NASA/X)

Have you ever wondered what astronauts eat while floating in space? The International Space Station (ISS) might be far from Earth's kitchens, but it offers a diverse menu to keep astronauts well-fed and healthy during their missions. Let’s take a closer look at how food works in space and what meals astronauts enjoy while orbiting the planet.

Challenges of Eating in Space

Eating in space is no easy task. Microgravity, or the lack of gravity, poses several challenges. For instance, without gravity, food and liquids can float away, making mealtimes tricky. As a result, astronauts must eat carefully, using specially designed utensils and packaging to prevent their meals from drifting off. Even their taste buds are affected by the change in environment, with many astronauts reporting that food tastes blander in space.

Despite these challenges, NASA ensures that astronauts have a variety of food options to keep their nutrition in check and their spirits high.

A Diverse Menu for Astronauts

Astronauts onboard the ISS have access to a wide range of food, which includes:

Freeze-dried meals: These meals are lightweight and easy to prepare. Astronauts add water to rehydrate them before eating.
Canned goods: Some food items are stored in cans to maintain freshness and shelf life.
Fresh fruits and vegetables: Whenever possible, fresh produce like apples and oranges are sent to the ISS. These foods are essential to provide necessary vitamins and nutrients.
Thermostabilised meals: Heat-treated meals can be stored for long periods without refrigeration.

To promote a more sustainable diet, astronauts have also been experimenting with growing their own produce. They currently grow lettuce, radishes, and other greens in the ISS's veggie garden, which allows them to have some fresh food during long missions.

Favourite Foods and Drinks in Space

While nutritional value is key, astronauts also get to indulge in their favourite foods. Among the most popular choices are pizza, tacos, and spaghetti. Fresh fruits like apples and oranges are also highly favoured when available.

As for beverages, staying hydrated is vital in space. Astronauts drink water, juice, tea, and even coffee, all through special pouches with straws to prevent spills in microgravity. All food and drinks are carefully packaged in sealed containers or freeze-dried packets to ensure safety and freshness.

Social Mealtimes on the ISS

Even in space, mealtimes are an opportunity for social interaction. Astronauts often come together to share stories, enjoy their meals, and bond over the unique experience of dining in space. These moments of camaraderie are essential for maintaining morale during long missions.