The proof a vitamin pill really CAN help you see better: TV's Dr Michael Mosley tried it himself
Millions of people take them in a bid to boost their wellbeing, but when it comes to dietary supplements I have always been a sceptic.
Over the years, I’ve seen so many of these pills or potions hailed as the next big thing, only for them to come to nothing — or even in some cases to make your health worse.
Take beta-carotene. This antioxidant, found naturally in vegetables such as carrots, was very popular as a supplement.
That is until a study, looking at whether it could help prevent lung cancer in smokers found that those taking high doses of beta-carotene were dying sooner than those who weren’t.