From wasabi and adzuki bean to green tea and purple sweet potato, the Kit Kat flavours offered in Japan have helped boost sales of the chocolate bar by 50 percent since 2010.
The food and drink industry is fighting back in the war on sugar as major UK brands unveil new recipe changes in an attempt to reduce the sugar burden of their products.
Cadbury’s long-loved Freddo chocolate bar is to increase its price to 30p from 2017, stirring some angry reaction from fans.
Swiss food and drink company Nestle, one of the world’s biggest chocolate manufacturers, will remove 10 percent of the sugar content from all its confectionery goods in the UK and Ireland by 2018.
Major chocolate companies such as Nestle and Mars are planning to shrink the size of their current chocolate lines by 20 per cent.
And, yep, you guessed it -- It's Nestle.