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shelves.[^deebee][^off-side] The bar is described as milk chocolate with soft nougat (32%) and a caramel centre (27%), at 448 kcal per 100 g and 177 kcal per bar.[^deebee][^off-front] It is labelled suitable for vegetarians and kosher under the London Beth Din.[^deebee]\n\nA British wholesaler added this barcode in January 2014 in cases of 32 at a recommended price of GBP 1.50, and a London convenience store still sold it at GBP 1.45 in September 2026.[^deebee][^devo] When Wikipedia described the range as of 2008, the Duo weighed 85 g.[^wp-mars]","claims":[{"kind":"label","note":null,"claim":"Free from artificial colours, flavours & preservatives","source":"^deebee","observation":"deebee-sheet"},{"kind":"label","note":null,"claim":"Suitable for vegetarians","source":"^deebee","observation":"deebee-sheet"},{"kind":"certification","note":"KLBD is the London Beth Din kosher authority; D marks a dairy product.","claim":"Kosher - 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