Watermelon (92%) It's no surprise that watermelon will hydrate you. But, like tomatoes and other red fruits and veggies, it's also a great source of lycopene.
Watermelon - Just like cucumber, watermelon in 90% water, which, mixed with natural sugars and potassium, makes it one of the best electrolytes-rich foods to include in your diet.
Cucumber, 96% water
Cucumbers are made up of around 96% water – that's the highest water content of any food. They're also low in calories, and a source of vitamins and fibre.
Scientists say milk is the most hydrating drink
While the team found water — both still and sparkling — does a great job of hydrating people, they also found that it's missing a few key ingredients to really make it work efficiently in the human body. Namely, plain water is missing just a touch of fat, salt, and sugar.
Milk is more hydrating than water
For example, milk was found to be even more hydrating than plain water because it contains the sugar lactose, some protein and some fat, all of which help to slow the emptying of fluid from the stomach and keep hydration happening over a longer period.
Foods that hydrate you
Foods that typically provide the highest water content are raw fruits and vegetables. Eating a diet heavy in produce is a good way to give the body vitamins, minerals and fiber while increasing your daily water intake.
With beginning symptoms of dehydration, you can rehydrate by consuming fluids that contain electrolytes, such as sports drinks or oral rehydration solutions. There are also foods available that have a high water content, such as fruits and vegetables. These will also help with rehydration.
Good sources are egg yolk, oat flakes, salmon and herring, tomatoes and spinach, dairy products, bananas and walnuts. Nuts and seeds in general are also rich in vitamin E, which additionally supports the skin's lipid layer and ensures better skin hydration.
The fruits with the highest sugar content include mangoes, pomegranates, oranges, and pears. If someone has diabetes, they can still have these fruits, but they may wish to ask their doctor if they should eat them in smaller portions.
Oranges – Up to 87% Water
Oranges are a favorite fruit of those who love working out, the reason being that this fruit hydrates and energizes your body which is a must during workouts.
Fresh grapes contain 80% water, while dry grapes contain 10% water.
Best Overall: Gatorade
The levels of electrolytes (sodium and potassium) are moderate and sensible with 160 mg of sodium and 45mg of potassium per 12 fluid ounce serving. You can also find Gatorade varieties with higher sodium, zero sugar or no calories depending on your needs.
In general, however, it usually takes about two hours for your body to rehydrate fully after drinking a significant amount of water. As for how you should rehydrate, water is the best choice. Sports drinks, such as Gatorade, can be helpful for athletes who need to replenish electrolytes.
Lemon water is beneficial for hydration.
Some people might find it difficult to drink plain water, especially if they do not like the flavor of local tap water. So adding freshly squeezed lemon juice to a liter of drinking water and drinking lemon water throughout the day can make it easier to drink.