An 'A-level' in cod liver oil: Holland & Barrett to offer staff chance to take exam in vitamins and supplements. By SARAH HARRIS . Published: 21:43 EDT, 16 April 2012 | Updated: 14:37 EDT, 17 ...

A TV advert for Holland & Barrett, featuring former Blue Peter presenter Gethin Jones, has been branded misleading by the advertising watchdog. In the ad, Jones told customers about half-price savings ...

Cod liver oil has bags of vitamin D, and even more vitamin A - more of the latter per unit weight than any other common food, more than three times as much, for example, as the next richest source ...