Investigating a popular mineral supplement — worth it or waste of time? Australians have some of the most expensive urine in the world due to the vast amounts of supplements we consume, from herbs to vitamins to minerals. The question is, are they saving our lives, wasting our time (and money) or worse, harming us? We investigate one of the most popular mineral supplements — selenium. We get selenium indirectly from the soil in the form of things like wheat and beef, and there's been a belief that low selenium levels in the blood — or serum selenium levels — are linked to cancer risk. So how much do we need? From the Tonic series produced with the assistance of NPS. Vitamins and minerals are medicines too. Find out more about complementary medicines from NPS at

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Tonic Health Media

Trusted health video content on TV screens in waiting rooms. Educational and entertaining, evidence-based programming, featuring “Tonic” a health & lifestyle program hosted by Dr Norman Swan.

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