Zinc is one of the first supplements many people reach for when a sore throat appears, but does it really work? Associate Professor Evangeline Mantzioris explains what zinc does in the body, what the evidence says about colds and when supplements can do more harm than good.

Guest: Associate Professor Evangeline Mantzioris, Program Director of Nutrition and Food Sciences and Accredited Practising Dietitian, University of South Australia

Presenter: Warren Andrew

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