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Does mineral water help with weight loss?

Quick answer

Mineral water does not cause weight loss by itself. Plain mineral water has no calories, so swapping it for sugary drinks can lower your calorie intake, and sparkling water may feel filling. Studies on mineral content and weight are small and have not shown a clear benefit. Diet and activity do the work.

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In this article
  1. Does mineral water help with weight loss?
  2. How can water help at all?
  3. What counts as mineral water?
  4. What to check on the label
  5. Is sparkling mineral water okay?
  6. A realistic plan

Does mineral water help with weight loss?

Not on its own. There is no proven fat-burning effect from the minerals in mineral water. Small studies comparing mineral-rich and low-mineral water have not shown a clear difference in weight. Treat claims of a set number of calories burned per glass with suspicion, especially on sales pages.

How can water help at all?

  • Replacing sugary drinks: soda, juice and sweetened coffee add calories. Swapping them for water, still or sparkling, cuts calories without effort.
  • Fullness: a glass before a meal may help some people feel less hungry. The effect is small and varies from person to person.
  • Habit: sipping water instead of snacking out of boredom can help.

What counts as mineral water?

Under the US FDA definition, mineral water has at least 250 ppm total dissolved solids, comes from a protected underground source and has no added minerals. If it contains less than 500 ppm, the label must say low mineral content; above 1,500 ppm it must say high mineral content.

What to check on the label

  • Calories and sugar: flavored sparkling waters can contain sweeteners or juice. Plain mineral water should show zero calories.
  • Sodium: some mineral waters are higher in sodium. Check the label if you limit salt.
  • Total dissolved solids: shows how mineral-rich it is.

Is sparkling mineral water okay?

Yes, for most people. Carbonation adds no calories. Some people find fizzy drinks cause bloating, so choose still if that is you.

A realistic plan

  1. Replace one sugary drink per day with water.
  2. Eat more fiber and protein, and move more.
  3. Ask a doctor or dietitian before changing your diet if you have a health condition.

This is general information, not medical advice.

People also ask

Is mineral water better than tap water for weight loss?

No evidence shows it is. Both have no calories. What matters is what they replace in your diet.

Does sparkling mineral water make you gain weight?

Plain sparkling mineral water has no calories. Check that it has no sugar or sweeteners added.

How much water should I drink to lose weight?

There is no set amount for weight loss. Drink when thirsty and use water instead of sugary drinks.

General information only, not medical advice. If you have a health condition or are pregnant, ask your doctor before changing what you drink.

Sources

  1. Cornell Law School LII: 21 CFR 165.110 Bottled water, read 5 Nov 2026
Written by Drinks Type Editorial Team · Published Mar 30, 2024 · Updated Nov 5, 2026
About · How we verify this · Editorial policy · Corrections

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