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WebMD Medical Reference
Medically Reviewed by Dr Rob Hicks

Watered Up? Although it contains no nutrients, water is a vital component of our diets. But most of us don't get nearly enough. Water makes up 50-70% of an adult's body weight, and must be topped up regularly.

The Department of Health recommends drinking around 1.2 litres of fluid every day. That's around about six 200ml or eight 150ml glasses.

 

Watering ways

Fruit juices

Pure, unsweetened fruit juices are particularly good sources of vitamins and minerals, and a great way of replenishing lost fluids. Don't confuse pure fruit or juice with fruit or juice drinks, which usually contain between 5-25% pure fruit juice. These drinks don't have the same health benefits and may contain added sugar. A large glass (150 ml) of 100% unsweetened juice counts as one of your 5-a-day.

 

Dairy drinks

Milk, milk-flavoured drinks, and yoghurt drinks are good sources of calcium. This is needed for strong, healthy teeth and bones. The increased availability of reduced-fat dairy products means we can enjoy the nutritional benefits of dairy products without worrying so much about piling on the pounds.

Carbonated soft drinks

Fizzy drinks are popular, but may contain sugars and acid that attack our teeth and may result in dental decay. Not only are sugary drinks detrimental to oral health, they are calorific and provide little in the way of nutrients. So when you feel like a carbonated drink, go for the low calorie option.

Energy drinks

There are three basic types of energy drink:

  • Refreshment energy - formulated to replenish energy levels for someone who is perhaps run down or recovering from illness.
  • Sports' drinks - formulated to rapidly replace fluids lost during exercise, and maintain the body's blood sugar levels.
  • Functional energy - aimed at anyone who wants to gain a quick burst of energy and alertness.

Energy drinks contain complex carbohydrates, a blend of slow, medium and fast-acting sugars, and are able to supply energy to the body over an extended period of time. They may also contain 'energy enhancing' ingredients.

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Reviewed on May 10, 2017

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