Water, drinks and hydration (2024)

Find out which drinks are healthier choices, and how to get enough fluids every day to stay hydrated.

Water is a healthy and cheap choice to keep you hydrated, but other drinks can also count towards your fluid intake. We also get some fluids from the foods we eat.

Not getting enough fluids can lead to dehydration.

Daily fluid intake

Most people should aim to drink enough during the day so their pee is a clear pale yellow colour.

The Eatwell Guide recommends that people should aim to drink 6 to 8 cups or glasses of fluid a day. Water, lower-fat milk and sugar-free drinks, including tea and coffee, all count.

You may need to drink more fluids if you're:

  • pregnant or breastfeeding
  • in a hot environment
  • physically active for long periods
  • ill or recovering from illness

Children

The best drinks to give children are water and milk. Children can have pasteurised whole or semi-skimmed cows' milk, or goats’ or sheep’s milk, as a main drink from the age of 1.

Children should avoid sugary fizzy drinks, squash and juice drinks completely. Children who drink a lot of sugary drinks are more likely to become overweight. The added sugar in these drinks can also damage teeth.

Read about drinks for babies and young children

Tips to help you stay hydrated with healthier drinks

Do

  • drink regularly throughout the day

  • swap sugary drinks for diet, sugar-free or no added sugar drinks

  • adults can choose lower fat milk, such as semi-skimmed, 1% fat or skimmed milk and unsweetened plant-based drinks

  • limit fruit juice and smoothies to a maximum of one small glass (150ml) a day and drink with a meal, as they're high in sugar

  • check nutrition labels on drinks – look for drinks with green or amber colour-coded labels

  • drink extra fluids if you've been sweating from physical activity, or if you're unwell – water is the best way to replace lost fluids

  • dilute squash drinks or cordials well to reduce the sugar content

  • drink caffeine in moderation – some people are more sensitive to caffeine than others, depending on how much they drink and how often. Check the label for drinks that are high in caffeine.

  • if you don't like the taste of water, try sparkling water, no added sugar squash, or add a slice of lemon or lime

Don’t

  • do not have drinks that are high in sugar too often – they're higher in calories and the sugar can damage your teeth

  • do not have more than 200mg of caffeine a day if you're pregnant – this could increase the risk of miscarriage or low birth weight

Further information

Cut down on sugar

Pregnancy

As well as limiting caffeine to 200mg per day, find out more about foods to avoid in pregnancy.

Choose healthier drinks

Find out more about reading food and drink labels.

Water, drinks and hydration (2024)

FAQs

Does drinking water increase hydration? ›

As the weather heats up this summer, you might be wondering what drink will keep you hydrated. Water allows you to stay hydrated and doesn't contain unnecessary calories or additives. Our registered dietitian team shares why water is your best choice year-round.

Is water or drinks better for hydration? ›

Water should be the primary hydration source for children and adults, and sports drinks should only be used during time of high intensity and prolonged athletic events. If you have any questions about hydration during exercise, please make sure to consult your UnityPoint Health primary care provider.

What is the healthiest drink for hydration? ›

For most people, water is ideal for hydration. The lack of sugar and other additives makes it one of your healthiest options. Other drinks can also help you stay hydrated. Some examples of hydrating drinks include coconut water, smoothies, and broth.

What happens to your body when you start drinking more water? ›

Water aids the digestive system, helps prevent constipation, flushes toxins from the body, promotes good kidney function, keeps your joints and muscles lubricated, supports healthier and younger-looking skin, and helps regulate body temperature.

How quickly after drinking water are you hydrated? ›

When you drink a glass of water, it takes approximately 15 minutes for your body to absorb the fluid. However, when you're dehydrated, it can take about three times as long (45 minutes) for fluids to make their way from the stomach into the bloodstream and to the rest of the body.

Is 1 gallon of water a day too much? ›

According to the U.S. National Academies of Sciences, Engineering, and Medicine, an adequate daily water intake is about 3.7 liters for men (roughly a gallon) and about 2.7 liters for women (about seven-tenths of a gallon). Another general rule of thumb is to drink “half your body weight in ounces” for a regular day.

When not to drink water? ›

Remember not to drink too soon before or after a meal as the water will dilute the digestive juices. Drink water an hour after the meal to allow the body to absorb the nutrients.

Is it better to sip or chug water to hydrate? ›

We grab a bottle of water and guzzle it down, often in one go, to satisfy that thirst. But that's not really the best way to hydrate, says Lindsay Baker, PhD, a senior principal scientist at the Gatorade Sports Science Institute. “In general, it's best to sip a little bit throughout the day,” Baker says.

How to get instant hydration? ›

Water. While it likely comes as no surprise, drinking water is most often the best and cheapest way to stay hydrated and rehydrate. Unlike many other beverages, water contains no added sugars or calories, making it ideal to drink throughout the day or specifically when you need to rehydrate, such as after a workout.

How to hydrate overnight? ›

Place some water beside your bed

Bring a glass or bottle of water with you when you go to bed. You can take a sip if you wake up and fall right back asleep.

What hydrates better than water? ›

Research shows that milk is one of the best beverages for hydration, even better than water or sports drinks. Researchers credit milk's natural electrolytes, carbohydrates and protein for its effectiveness. Drinking milk after exercise helps replace essential electrolytes that are lost in sweat.

What are signs of too much water? ›

However, if you suspect you may be overhydrated, look for symptoms like cloudy thinking, nausea and vomiting, muscle weakness, spasms or cramps and headaches. In severe cases symptoms could include mental confusion, seizures, unconsciousness and even coma.

What happens if you only drink 16 oz of water a day? ›

If you do not drink enough water, your intestinal cells begin to extract water from the waste in your intestine. As a result, stools harden and become difficult to move, causing constipation.

What happens if I only drink water and no other drinks? ›

In most cases, water is the perfect beverage for staying hydrated. However, drinking only water for an extended period of time is bad for your health. Not only does it lead to poor fluid balance, it can cause long term health conditions.

How much water should I drink a day to hydrate? ›

So how much fluid does the average, healthy adult living in a temperate climate need? The U.S. National Academies of Sciences, Engineering, and Medicine determined that an adequate daily fluid intake is: About 15.5 cups (3.7 liters) of fluids a day for men. About 11.5 cups (2.7 liters) of fluids a day for women.

How much water does it take to rehydrate your body? ›

If you are experiencing mild dehydration, the body can rehydrate in 45 minutes with around 600mL of water. For more severe dehydration, it can take longer and will usually require medical attention. The more dehydrated you are, the longer it will take for your body to recover.

Is it okay to chug water to hydrate? ›

We grab a bottle of water and guzzle it down, often in one go, to satisfy that thirst. But that's not really the best way to hydrate, says Lindsay Baker, PhD, a senior principal scientist at the Gatorade Sports Science Institute. “In general, it's best to sip a little bit throughout the day,” Baker says.

How to rehydrate quickly? ›

Drinking water, isotonic sports drinks, or skimmed milk are all ways to rehydrate. Dehydration is when there is an insufficient volume of water in a person's body. It can occur due to sweating, illness, diarrhea, vomiting, urinary issues, or not drinking enough water.

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