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Foods With More Than 90% Water: Your Ultimate Guide

5 min read

According to the Academy of Nutrition and Dietetics, approximately 20% of your daily fluid intake comes from the foods you eat. A surprising number of common fruits and vegetables boast a water content exceeding 90%, making them excellent choices for staying hydrated, especially during hot weather.

Quick Summary

An array of fruits and vegetables contain more than 90% water, offering a flavorful and nutrient-rich way to boost hydration. From cucumbers to melons, these high-water content foods support overall health and can aid in weight management due to their low-calorie density.

Key Points

  • Cucumber is a top contender: With approximately 96% water, cucumbers are one of the most hydrating foods available.

  • Melons are a classic source: Watermelon and cantaloupe both have over 90% water content and are rich in vitamins and antioxidants.

  • Leafy greens provide hydration: Iceberg lettuce and spinach contain over 90% water, adding fluid and fiber to your meals.

  • Tomatoes are surprisingly high in water: These versatile fruits (often used as vegetables) are about 95% water and packed with lycopene.

  • Dairy products offer hydration: Skim milk and soy milk are both around 90% water and provide additional nutritional benefits.

  • Focus on raw for maximum water: To get the most fluid from your food, consume these items raw or with minimal processing, like in salads or smoothies.

  • Hydration comes from food, too: Up to 20% of your daily fluid intake can come from water-rich foods, making dietary choices important for hydration.

In This Article

What has 90% water? Key food categories to know

Staying hydrated is vital for every bodily function, from regulating temperature to delivering nutrients to cells. While drinking plain water is essential, eating a variety of water-rich foods can significantly contribute to your daily fluid intake. Many foods, particularly specific fruits and vegetables, fall into the category of having more than 90% water by weight.

Vegetables that are over 90% water

Among vegetables, several stand out for their exceptionally high water content. Incorporating these into salads, snacks, or main dishes is a simple and effective way to increase your hydration levels.

  • Cucumber: With a water content of around 96%, cucumbers top the list of hydrating foods. They are also low in calories and a source of vitamins and fiber, making them a perfect addition to salads or infused water.
  • Iceberg Lettuce: Often underestimated for its nutritional value, iceberg lettuce contains about 96% water. While it contains fewer nutrients than darker greens, its high water content adds bulk and crunch to meals without many calories.
  • Celery: This crunchy vegetable is composed of nearly 95% water and is an excellent source of vitamin K, with antioxidant properties. Snacking on celery sticks can help you feel full and stay hydrated.
  • Tomatoes: Botanically a fruit but used as a vegetable, tomatoes are about 95% water. They also contain valuable nutrients like vitamins A and C and the antioxidant lycopene.
  • Zucchini: This summer squash is approximately 95% water and is low in sugar and calories. It provides fiber, potassium, and vitamins A and C, making it a great addition to stir-fries or as a pasta substitute.

Fruits with high water content

Fruits are known for their sweetness and flavor, but many are also packed with water. These are perfect for a refreshing snack or dessert to help meet your hydration goals.

  • Watermelon: As its name suggests, watermelon is famously hydrating, containing around 92% water. It also offers vitamins A and C and the antioxidant lycopene.
  • Strawberries: These delicious berries are about 91% water and are rich in vitamin C and disease-fighting antioxidants. They can be enjoyed on their own, in smoothies, or in salads.
  • Cantaloupe: Another popular melon, cantaloupe is about 90% water and provides potassium, folate, and vitamins A and C. Its sweetness makes it a versatile ingredient for both sweet and savory dishes.

Other hydrating options

While fruits and vegetables are the most common examples, other food types can also contain high percentages of water. For instance, low-fat dairy like skim milk is approximately 91% water and provides an excellent source of protein, calcium, and Vitamin D. Soups, especially broths and chilled varieties like gazpacho, are also extremely high in water.

Comparison of High-Water Content Foods

Food Item Water Content (Approx.) Calories (per 100g) Key Nutrients Uses and Benefits
Cucumber 96% ~15 Vitamin K, Magnesium Refreshing snack, aids weight management, supports skin health
Iceberg Lettuce 96% ~14 Vitamin K, Vitamin A Adds crunch to salads, very low in calories
Celery 95% ~14 Vitamin K, Fiber Aids digestion, antioxidant properties
Tomatoes 95% ~18 Vitamin A, C, K; Lycopene Enhances flavor, supports immune and skin health
Watermelon 92% ~30 Vitamin C, Vitamin A, Lycopene Refreshing dessert, rich in antioxidants
Strawberries 91% ~32 Vitamin C, Manganese, Fiber Antioxidant powerhouse, adds sweetness to dishes
Cantaloupe 90% ~34 Vitamin A, C; Potassium Nutrient-dense melon, good source of folate

Maximizing your hydration from food

To get the most hydrating benefit from these foods, consider how you prepare and consume them. Raw and minimally processed options retain the highest water content. Cooking methods like boiling or steaming can reduce water content, although they can still be a good source of fluids when consumed as a soup or broth. Combining these foods into salads, smoothies, or cold soups can make hydration a more deliberate and enjoyable part of your diet. Remember that while these foods are excellent for boosting fluid intake, they should complement, not replace, drinking plain water. Overall health and hydration are best achieved through a balanced approach that includes both beverages and water-rich foods.

Conclusion: More than just thirst-quenching

From cucumbers to cantaloupe, many common and accessible foods contain more than 90% water, providing a delicious and natural way to meet your hydration needs. These hydrating foods offer more than just fluid; they deliver essential vitamins, minerals, and antioxidants that support overall health. Whether you are an athlete, managing your weight, or simply looking for healthier snack options, incorporating these water-rich foods into your diet is a simple and effective strategy. By making conscious choices to eat more of these items, you can enhance your well-being while enjoying a variety of flavors and textures.

What has 90% water? Beyond the obvious choice

While watermelon is famously known for its high water content, many other fruits and vegetables also share this remarkable hydrating property. From leafy greens like iceberg lettuce to crunchy celery and juicy strawberries, a wealth of options exists for boosting your fluid intake through food. Incorporating these into your daily meals offers a flavorful and nutritious alternative to simply drinking plain water.

What has 90% water? Making informed dietary decisions

Choosing foods with high water content can also have other health benefits. Their high volume-to-calorie ratio can help you feel full, potentially aiding in weight management. Furthermore, the vitamins and minerals present in these foods, like the electrolytes in melons, contribute to better absorption and utilization of fluids by the body. By understanding which foods are the most hydrating, you can make more strategic and beneficial choices for your diet.

What has 90% water? A summary

What has 90% water? Many popular and readily available fruits and vegetables, along with certain dairy products, qualify. This includes the famously hydrating watermelon, the crisp and cool cucumber, and the juicy strawberries. They provide not only fluid but also a host of other beneficial nutrients. A diet rich in these foods, in conjunction with adequate water intake, is a powerful and enjoyable way to maintain optimal hydration and overall health.

What has 90% water? Final thoughts

Ultimately, understanding that a wide variety of foods can contribute to hydration expands your options beyond just what you drink. By thinking of your plate as a source of fluids, you can make more flavorful and enjoyable choices that keep your body nourished and functioning at its best. From a summer salad to a morning smoothie, integrating these foods is a tasty path to better hydration and health.

Using food to stay hydrated - Harvard Health

Frequently Asked Questions

Several common vegetables contain over 90% water. Some of the most notable include cucumber (96%), iceberg lettuce (96%), celery (95%), and tomatoes (95%).

Cucumber, while botanically a fruit, has the highest water content of any food at around 96%. Among more traditional sweet fruits, watermelon is a top contender at about 92% water.

Water-rich foods contribute to your overall daily fluid intake, providing both water and essential electrolytes and nutrients. This combination can help the body absorb and utilize water more effectively than plain water alone.

No, while most lettuces are hydrating, their water content can vary. Iceberg and Romaine varieties are particularly high in water, at around 96% and 93% respectively. Other greens, like spinach, are slightly lower but still great sources.

Yes, many water-rich foods are also low in calories but high in volume and fiber. This combination can help you feel full and satiated, reducing overall calorie intake and supporting weight management goals.

Yes, aside from plain water, drinks like skim milk are approximately 91% water. Soups and juices also contain high amounts of water, though the nutritional content will vary.

Yes, it is still crucial to drink plenty of plain water throughout the day. While foods contribute significantly to your fluid intake, drinking water remains the best way to ensure optimal hydration.

Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.