Inside M&S At New Year | Preview (ITV1)

Inside M&S at New Year goes behind the scenes at Britain’s favourite retailer, as they attempt to develop a new range of products designed to improve our health and wellbeing.

From brain health-supporting snacks and protein-packed ready meals to gut friendly drinks, the team has been tasked with developing complex recipes that must hit stringent standards - but will their mushroom drinks verified with the Royal Botanical Gardens of Kew prove popular with customers?

Inside M&S at New Year airs Tuesday 14th January at 9pm on ITV1.