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Millions of us take a vitamin tablet every day - how did they become so popular? We follow the rise and rise of vitamins from their discovery just a century ago, to the multi-billion dollar market of today. The story of how the vitamin supplement entered our daily lives takes us from the targeted guilt-tripping of concerned mothers, to the use of vitamins as a weapon against the Nazis, via a plan for vitamin doughnuts.

Experts question whether most of us need to take them at all – so how did we get hooked on vitamins?

Contributors include:

Dr Lisa Rogers – World Health Organization
Catherine Price – Author of Vitamania: How Vitamins Revolutionized the Way We Think About Food
Dr Salim Al-Gailani - Department of History and Philosophy of Science, University of Cambridge
Matthew Oster – Head of Consumer Health, Euromonitor International

Presenter: Kavita Puri
Producer: Beth Sagar-Fenton

(Photo: a woman shopping at 'Mr Vitamins', a chain of supplement outlets in Sydney, Australia. Credit: Saeed Khan/Getty Images)