Boost was introduced in Britain in 1985 as Coconut Boost, a coconut and caramel bar coated in chocolate. In 1989 the
peanut and caramel
Starbar was rebranded as Peanut Boost. A biscuit and caramel version was also launched. The coconut bar was discontinued in 1994 Boost+ Protein was introduced in 2018 containing caramel, "protein crisps", and less sugar than the standard bar. In 2019 a peanut version of this was also released. In 2009, the Boost packaging was redesigned and the Boost Duo was also launched: two smaller Boost bars in one wrapper. Cadbury Boost Bites, bitesize bars sold in a 108g bag, were introduced in August 2015. Following increased commodity prices and legislation from the British Government, the Boost bar sold in Britain was
shrunk from 60g down to 48.5g in 2013. In 2014, the Boost Duo version also shrank by 10g to 68g. The wrapper was notably updated to reflect the new Reference Intakes and use of Palm and Shea fat in the product. The Boost Duo has shrunk yet again to 63g which is only 3g more than the original bar from 1985. == Marketing ==