Yes, distilled water is safe to drink. The process removes dissolved minerals and most contaminants and adds nothing, so the risk sits elsewhere: in how the water is stored after distillation, in what the container is made of, and in assuming that a jug labeled purified or deionized is the same thing. Those are the checks worth making.
Safety comes from what happens after the still
Freshly condensed water leaves the still with essentially nothing dissolved in it and no disinfectant residual, which means nothing is protecting it from what it touches next. An open jug on a counter will pick up airborne bacteria and dust the same way any standing water does. Keep distilled water capped, in a clean food grade container, and treat an opened bottle as perishable rather than shelf stable indefinitely.
Labels that are not distilled
Purified, deionized, demineralized and reverse osmosis water are all low in dissolved solids and none of them are distilled. For drinking that distinction rarely matters. For an appliance or device whose manual specifies distilled it matters a great deal, because the residual load differs. Read the label rather than the shelf position, since these products are stocked side by side and priced similarly.
What distilled water does not protect you from
It cannot make an unsafe supply safe once the water is out of the still and into your kitchen, and it does nothing about a contaminated container, a dirty dispenser or a bad handling habit. It is also not a disinfection method for water you distrust unless you distill it yourself correctly. Treated municipal water, by contrast, arrives with a disinfectant residual specifically so it stays safe through the pipes and to the tap.
Comparing it with your own tap
Before switching a household to bought water, find out what you are switching away from. Every community water system publishes an annual Consumer Confidence Report and the EPA maintains a finder for it, so you can read the detected contaminants for your own supply. On a private well the same information only exists if you pay for a test, which our well water testing guide sets out step by step.
Questions people ask about is distilled water safe for drinking
Can I drink distilled water every day?
Yes. It is safe as a daily supply for an ordinary diet, though most people find the flat taste less pleasant than filtered tap water.
Does distilled water go bad?
The water does not spoil, but an opened container can pick up bacteria and odors because there is no disinfectant residual protecting it. Keep it capped.
Is purified water the same as distilled?
No. Purified is a broad label covering several processes including reverse osmosis. Only distilled means boiled and condensed.
Can I distill water at home safely?
Yes, with a countertop still used as the maker instructs. Descale the boiler regularly and store the output in a clean, capped, food grade container.