Which mind-enhancing supplements actually work – and which are just magical thinking?

From performance support to sleep management, magnesium is being hailed as supplement royalty . But does it deserve its crown?

Everything you need to know about nutritional supplements

Why you’re low on energy – and how to fix it

A new report has ranked the side effects of various antidepressants. Dr C explains what this means if you take them, and when to see your GP

Find out what the experts do to ward off winter bugs