The NHS gives a simple guide to daily fluids and which drinks count. This page summarises it. It is general information, not medical advice.
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How much
The government recommends 6 to 8 cups or glasses of fluid a day. The NHS describes this as a guide only. You may need more if you are pregnant or breastfeeding, in a hot environment, active for long periods or ill. A practical check is to aim for pale yellow, clear-looking urine.
What counts
- Water, lower-fat milk, and lower-sugar drinks such as tea and coffee all count.
- You also get some fluid from food.
Sugary drinks
- Limit fruit juice and smoothies to one small glass (150ml) a day, taken with a meal.
- Swap sugary drinks for diet, sugar-free or no-added-sugar versions, and dilute squash and cordials well.
- The NHS says children should avoid sugary fizzy drinks, squash and juice drinks.
- Pregnant people should limit caffeine to 200mg a day.
If you have a medical condition that affects how much you should drink, follow the advice of your doctor.
