The global Vitamin D supplement market is worth billions, and doctors prescribe the pills for everything from back ache to depression – yet superstar scientist Prof Tim Spector, co-creator of the Zoe Covid Study tracker app, says there’s little evidence taking it does anything at all for our health. The Medical Minefield team speak to him and Bolton-based Vitamin D advocate GP Dr Jane Wilcock, who often tells her patients they need a dose of the sunshine vitamin.

<p>The global Vitamin D supplement market is worth billions, and doctors prescribe the pills for everything from back ache to depression &ndash; yet superstar scientist Prof Tim Spector, co-creator of the Zoe Covid Study tracker app, says there&rsquo;s little evidence taking it does anything at all for our health. The Medical Minefield team speak to him and Bolton-based Vitamin D advocate GP Dr Jane Wilcock, who often tells her patients they need a dose of the sunshine vitamin.</p>

Medical Minefield is a new health podcast where we talk about the ethical dilemmas at the heart of the health stories that matter the most. Join Barney Calman, the Mail on Sunday's health editor and deputy Health Editor Eve Simmons every week for a podcast tackling the big questions in health. 

<p>Medical Minefield is a new health podcast where we talk about the ethical dilemmas at the heart of the health stories that matter the most. Join Barney Calman, the Mail on Sunday's health editor and deputy Health Editor Eve Simmons every week for a podcast tackling the big questions in health.&nbsp;</p>