Water vs other drinks: what's the difference?

"I drink tea, so I'm probably fine" — this is a common belief. But is it actually true?

Why water is unique

Water is zero calories, zero sugar, zero additives. The body absorbs it directly — no processing required. Every other drink adds something on top: juice brings sugar, tea brings caffeine, fizzy drinks bring acidity.

The comparison

Tea and coffee

In moderate amounts, both contribute positively to fluid balance. But caffeine has a mild diuretic effect — drink too much and you'll need extra water to compensate.

Fruit juice

Nutritionally useful, but high in sugar. A glass of apple juice can contain as much sugar as 3–4 apples. Great as an addition to water, not a replacement.

Fizzy drinks

Create an acidic environment and damage tooth enamel. Sugary versions are high in calories; sugar-free versions contain artificial sweeteners. Neither replaces drinking water.

Sports drinks

Useful for replenishing electrolytes after long, intense exercise. For everyday life — just an extra source of sugar.

The bottom line

All of these drinks have a place in life, but none of them fully replace water. The daily target of 2–2.5 litres of water stays the foundation; everything else is extra.

The easiest fix: always keep cold, clean water available at home. What's within reach gets consumed.