Frequently Asked Questions : Coffee and FLUID BALANCE

Frequently Asked Questions

FLUID BALANCE

Q:  Can coffee contribute to daily fluid intake?
A:  Yes, healthy adults need two to three litres of fluid a day – more if they are physically active or the weather is hot or humid. This is approximately equivalent to daily losses. Drinks, foods and to a much lesser extent metabolism, all contribute to meeting fluid requirements.   The recommended fluid intake can be achieved through a range of drinks – including moderate coffee consumption, of 4-5 cups per day.

Q:  But isn’t coffee a diuretic?
A:  Diuretics are substances that cause the body to produce more urine. Though coffee contains caffeine, accepted as being a mild diuretic, there is no scientific evidence to back-up any advice to avoid it. Indeed advising people to cut back their regular coffee intake could result in an overall reduction in fluid intake.

Q: Do you have to follow every cup of coffee with a glass of water, as frequently recommended?
No, the recommended fluid intake can be achieved through a range of drinks – including moderate coffee consumption, of 4-5 cups per day.  The British Nutrition Foundation states that `you do not need to drink more water to compensate for consuming caffeinated drinks’.

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