NPR

Which Water Is Best For Health? Hint: Don't Discount The Tap

Scientists weigh in on whether Americans really need to pay for alkalinized, mineralized, or purified water from filters or bottles.
While some water filters are designed to screen out potentially deadly lead, many filters and bottled water with added minerals simply improve the taste of water.

You can buy water with electrolytes, minerals or completely "purified." You can buy it with the pH changed to make it alkaline. You can purify your own tap water or even add nutrients back into it. But after seeing a video of a pricey, high-tech filter (about $400 U.S. on sale) that you can monitor with your phone, we wondered, how much of our water filtration fixation is healthy, and how much of it is hype?

As it turns out, scientists say that most tap water in the U.S. is just as good as the water in bottles or streaming out of a filter.

"Assuming that the [tap] water satisfies all health and safety codes for the community, yeah, it's perfectly fine," says , a professor of

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