Drinking distilled water everyday is safe for a healthy adult on an ordinary diet. Distillation boils water and condenses the steam, so what lands in the jug is water with almost nothing dissolved in it. The useful questions are not about safety at all: they are whether you will like the taste, and whether making it at home covers the volume a household actually drinks.
What is left in the jug
Everything that cannot travel as steam stays behind in the boiling chamber: dissolved calcium and magnesium, sodium from a softener, dissolved metals, nitrate and most salts. That is why the chamber scales up and needs descaling. Compounds that boil at a lower temperature than water can ride over with the steam instead, which is why a well made distiller finishes the run through a carbon post-filter rather than straight into the jug.
The mineral argument, weighed
USGS defines hardness as dissolved calcium and magnesium, and distillation takes both out completely, so distilled water contributes none of either. For most households that is a rounding error next to food, which is where nearly all dietary calcium and magnesium comes from. If you are on a restricted diet or managing a medical condition, that is a conversation for a clinician, not for a water site.
Taste, and what people do about it
Distilled water tastes flat because taste in drinking water comes largely from dissolved minerals and dissolved gases, and distillation removes both. Some people pour it back and forth between jugs to aerate it, others add a few mineral drops. Households that want daily drinking water rather than an occasional jug usually end up on reverse osmosis with a remineralization stage instead, which our reverse osmosis buying guide walks through.
Making it every day at home
A countertop distiller works in batches. It runs for hours to fill a jug, draws electricity the whole time, and needs the boiling chamber cleaned regularly or the scale bakes on. That is fine for a couple of quarts a day for drinking and coffee. It is a poor match for a family that also wants clean water for cooking, ice and pets, where a plumbed system at the sink simply keeps up.
Questions people ask about can you drink distilled water everyday
Is drinking distilled water every day harmful?
For a healthy adult eating normally, no. The minerals in drinking water are a small share of daily intake compared with food, and distilled water is otherwise plain water.
Can I cook and make coffee with distilled water daily?
Yes, and your kettle will stop scaling. Coffee is the one exception people notice: brewing tends to taste thin, because extraction relies on some mineral content.
Does distilled water spoil if I keep making batches?
The water itself does not spoil, but the container can recontaminate it. Store it covered in clean glass or food grade plastic and rinse the jug between batches.