Top 10 foods that will help you hydrate you

Frida Harju, the in-house nutritionist at health app Lifesum, shares the best ten foods to help keep you hydrated. 

1. Cucumber


Cucumbers contains the highest water content of any solid food, making it a great food to snack on, to keep hydrated. Alongside its hydrating qualities, cucumbers are also a great source of vitamin C, vitamin K and potassium, making it the perfect food to add to a salad or you could make a chilled cucumber soup, perfect for summer. 

2. Butternut Squash

Butternut Squash

Unknown to many, Butternut squash is a very hydrating food, made up of approximately 88% water. Butternut squash also contains the added benefit of providing you with a significant proportion of your daily intake of vitamin A. 

3. Radishes


Radishes are often an overlooked vegetable, but they are a great choice to include in your summer salads as their water content is around 95%. They are also filled with important antioxidants such as catechin, the same antioxidant which is found in green tea.  

4. Romaine Lettuce

romaine lettuce

One of the reasons that lettuce is so low in calories is that it is made up of mostly water. However, while iceberg lettuce contains the highest water content, romaine lettuce is a better choice, as while still being good for hydration, it contains more folate, vitamin C and beta-carotene than iceberg lettuce.

5. Celery


Celery is comprised of approximately 95% water, making it a great food to eat throughout summer to help your body keep hydrated. It has even been suggested that the combination of mineral salts, vitamins and amino acids contained in celery my hydrate your body twice as effectively as having a glass of water. 

6. Green Pepper

Green Peppers

While all sweet peppers have a high-water content, green peppers contain the most, made up from approximately 92% water. They also contain many additional beneficial antioxidants and can be easily consumed in either a salad or with a dip.  

7. Watermelon


Not only does watermelon contain a important vitamins such as zinc, B-6 and folate, it also is made up from an estimated 93% water. Its magnesium, sodium and potassium content, ensure that this is an ultra-hydrating food and the lycopene contained in red watermelon, is believed to help protect against heart disease and certain types of cancer. 

8. Strawberries


Unbeknown to many, strawberries, as well as containing the most vitamin C of all berries, also contain the most water. While strawberries make great snacks when consumed on their own, or as part of a fruit salad, strawberries also make a great addition to savoury salads. 

9. Pineapple


Pineapple is packed with nutrients including the important enzyme Bromelain, which is known to help fight and prevent cancer cells from forming. It also contains around 87% water content, making pineapple a great food to eat throughout summer to help keep you hydrated. 

10. Tomatoes


Tomatoes are made up from 94% water content. Not only this but alongside being a great source of potassium, vitamin C, vitamin E and beta-carotene, tomatoes are a great source of lycopene, the antioxidant which helps give skin with a healthy glow. 


Lifesum is a Stockholm-based digital health company with over 19 million users. Using tech and psychology, it creates a tailored plan to help people live happier, more balanced lives. Whether the goal is to lose weight, build muscle, or just live a healthier life, Lifesum shows how changing small, everyday habits can transform your life. The app is available on iOS and Android.


Tags: Summer