Mineral water

Today, it is far more common for mineral water to be bottled at the source for distributed consumption.

[4] Permitted is the removal of iron, manganese, sulfur and arsenic through decantation, filtration or treatment with ozone-enriched air, insofar as this treatment does not alter the composition of the water as regards to the essential constituents which give it its properties.

No additions are permitted except for carbon dioxide, which may be added, removed or re-introduced by exclusively physical methods.

[citation needed] A review by the World Health Organization found slightly reduced cardiovascular disease mortality from consuming harder water with higher mineral amounts, with magnesium and possibly calcium being the most likely contributors.

One study found that the median mineral content of North American mineral waters was lower than for tap water, though values varied widely among both groups.