Yes. Distilled water is sold as a drinking water product, it is safe, and for most households the only reason not to drink it daily is that it tastes flat and is slow to produce. There are a few situations where it is worth a second thought, and none of them are the dramatic claims that circulate about it.
The everyday verdict
For an adult eating a normal diet, distilled water is entirely fine as a daily drink. It hydrates identically, it contains no contaminants, and the calcium and magnesium it lacks are supplied overwhelmingly by food rather than by water. The USGS classes water as soft at 0 to 60 mg/L as calcium carbonate through to very hard above 180 mg/L, so how much you forgo depends on what your supply was, and even at the top of that range the dietary contribution is modest.
Where it is worth a second thought
Infant formula preparation, where guidance from a pediatrician should be followed rather than a general rule, since mineral content is one of several considerations. Anyone drinking very large volumes in heat or during heavy exertion, where electrolyte replacement matters regardless of water type. Households where diet is already poor and every source counts. And long periods with distilled water as the sole supply, which is where remineralizing makes obvious sense.
The practical objections
It tastes flat, because taste in water is almost entirely its dissolved minerals, and drinks made with it are duller. Producing it at home is slow and uses a good deal of electricity to boil every liter, so it is an odd choice for household volume when reverse osmosis achieves a similar result far more efficiently. Buying it by the bottle for daily drinking is expensive and generates packaging. These are the reasons households move away from it, rather than any safety concern.
The adjustment that settles it
Remineralize. A cartridge adding calcium and magnesium back restores both the taste and the mineral content, and it is what commercial systems fit as standard for exactly this reason. It converts distilled or reverse osmosis water from something that tastes of nothing into something most people prefer to their tap water. If distillation suits your circumstances, adding that one stage removes every reasonable objection. Our drinking water guide covers the remineralizing options.
Questions people ask about is distilled water okay to drink
Can I drink distilled water every day?
Yes. For an adult eating a normal diet it is entirely fine, since food supplies the great majority of dietary calcium and magnesium.
Who should think twice about it?
Anyone preparing infant formula should follow pediatric guidance, and anyone drinking heavily in heat should replace electrolytes.
Why do most people stop drinking it?
Taste and practicality. It tastes flat and is slow and energy hungry to make, not because of any safety concern.
How do I make it taste better?
A remineralizing cartridge adds calcium and magnesium back, restoring both taste and mineral content in one stage.