Distilled water is fine to drink and is not a health upgrade. It is ordinary water with the dissolved minerals and most contaminants boiled away, which makes it useful where you need low mineral water and unremarkable as a daily beverage. The people who benefit are those whose current supply carries something they want gone, and there are cheaper ways to fix that.
What distillation removes, and what that means for you
Boiling water and condensing the steam leaves dissolved salts, metals and hardness minerals in the boiler. Hardness is dissolved calcium and magnesium, and the USGS places soft water at 0 to 60 mg/L as calcium carbonate: distilled water sits at the very bottom of that band with effectively nothing dissolved in it. Removing that changes taste noticeably and changes dietary mineral intake very little for anyone eating an ordinary diet.
The flat taste is the main real effect
Dissolved minerals are what make water taste like water. Take them all out and most people describe the result as flat, dull, or faintly sour once dissolved carbon dioxide is no longer buffered. That is a preference matter rather than a health one, and it is why households that switch to distilled or reverse osmosis water often add a remineralizing stage or simply go back to filtered tap water for drinking.
The claims to be careful with
Distilled water is sometimes promoted as detoxifying, or attacked as stripping minerals from the body. Neither claim holds up as a reason to change what you drink, and this hub does not sell health outcomes. What can be said plainly is mechanical: distillation removes what is dissolved, it does not add anything, and it cannot protect water from being recontaminated once it sits open in a jug.
What most households actually need instead
If you drink distilled because the tap tastes of chlorine, a carbon filter at the sink fixes that for far less effort. If it is because of a contaminant you have identified, a reverse osmosis system aimed at that contaminant handles it continuously without buying jugs. If it is because you have never tested and simply distrust the supply, start with our well water testing guide or your utility's annual report and buy from the result.
Questions people ask about is drinking distilled water good for you
Will drinking distilled water make me mineral deficient?
Not for anyone eating an ordinary diet. Food supplies far more calcium and magnesium than drinking water contributes in a day.
Why does distilled water taste strange?
The dissolved minerals that give water body have been removed, so it reads as flat, and unbuffered dissolved carbon dioxide can make it taste faintly sour.
Is distilled water better than filtered water?
Not for drinking. Filtered tap water keeps the minerals that carry taste while removing chlorine and odor, which most households prefer in a glass.
Can I cook with distilled water?
Yes, and it will not scale a pan. Some cooks find it dulls the taste of stocks and coffee, which is a palate question rather than a safety one.