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Fact check: Is distilled water bad to drink?

Checked on June 14, 2025

1. Summary of the results

Distilled water is fundamentally safe to drink [1], but the complete picture is more nuanced. The distillation process removes 99.5% of impurities [2], including both harmful contaminants and beneficial minerals like calcium and magnesium [2] [1]. While this makes it an extremely pure form of water, it also means it lacks nutritional benefits found in regular tap water.

2. Missing context/alternative viewpoints

Several important contextual factors should be considered:

  • Distilled water can be beneficial in specific situations, particularly in areas with contaminated water supplies [1]
  • The safety of distilled water consumption depends heavily on your overall diet - if you get sufficient minerals from food, drinking distilled water is generally fine [1] [3]
  • Long-term consumption requires careful consideration and potentially medical consultation, especially for infant feeding [3] [2]
  • Cooking with distilled water may further reduce mineral intake in your diet [2]

3. Potential misinformation/bias in the original statement

The original question oversimplifies a complex issue by seeking a binary "good/bad" answer. Several stakeholders might benefit from different narratives:

  • Water purification companies benefit from promoting distilled water's purity and safety
  • Mineral water companies benefit from emphasizing the importance of mineral content in water
  • Healthcare providers benefit from a more nuanced approach, as demonstrated by recommendations to consult professionals [3] [2]

The reality is that distilled water's appropriateness depends on individual circumstances, overall diet, and local water quality, rather than being universally "good" or "bad."

Want to dive deeper?
What minerals does distilled water remove and why does that matter for health?
Can drinking distilled water long-term cause mineral deficiencies?
How does distilled water compare to tap water and bottled water for daily consumption?
What do medical professionals say about the safety of drinking distilled water regularly?
Does distilled water leach minerals from your body when consumed?