Yes, reverse osmosis water is fine to drink every day, and millions of households do exactly that. The membrane removes most dissolved contaminants along with the minerals that give water its taste, so the practical issues are flat flavor, whether to add minerals back, and keeping the system maintained so the water stays as good as the day it was fitted.
The mineral question, kept in proportion
Reverse osmosis takes out calcium and magnesium along with everything else it rejects, and people reasonably ask whether that matters. Diet, not drinking water, is where most dietary mineral comes from, and households on naturally soft supplies have always drunk water with very little in it. If you dislike the flat taste, that is a good enough reason on its own to do something about it, and vendors sell remineralizing cartridges that fit on the outlet for exactly this complaint.
Keeping daily water good means servicing the system
A reverse osmosis unit that is never serviced does not fail loudly, it just quietly gets worse. Sediment and carbon pre-filters exist to protect the membrane and are changed on the manufacturer's schedule. The membrane itself lasts longer but not forever, and a conductivity check on the product water tells you when it is tiring. The storage tank and the tubing should be sanitized when filters are changed, especially in a household that leaves the system standing unused for weeks at a time.
When reverse osmosis is the right daily habit
It earns its place where a test has shown a dissolved contaminant that carbon cannot touch: nitrate on an agricultural well, arsenic, high sodium, or a taste that no cartridge has fixed. Where the only complaint is chlorine, a carbon block does the same job for the drinker with no drain water and less servicing. Decide from a test result rather than from a sales visit, and see our best reverse osmosis water filter comparison for how the systems differ in practice.
Questions people ask about can you drink reverse osmosis water everyday
Does reverse osmosis water need minerals added back?
Not for safety, but many people prefer the taste with a remineralizing cartridge fitted. It is a flavor decision more than a health one for most households.
Can I use reverse osmosis water in a kettle or coffee maker?
Yes, and it leaves far less scale. Some espresso machines need a minimum conductivity to sense water level, so check the manual before using it in one.
Does reverse osmosis water go stale in the tank?
Water stored a long time can taste dull and the tank can pick up biofilm. Draw the tank down regularly and sanitize the system when you change the filters.