Peppersmith - British Peppermint Mints - 100% Plant Based Xylitol - Breath Freshener - Sugar Free Mints - Benefits Oral Health - Mighty Box - 100 Mints Peppersmith English Peppermint Mints let you freshen your breath and care for your dental health all in one. Flavoured with proper British Peppermint and sweetened with 100% plant based Xylitol. The best of the best. Founders Mike and Dan launched Peppersmith in 2010. Discovering plant based sweetener Xylitol and the best mint from a little farm in Hampshire, they cracked the code on how to make something tasty AND good for you. Not only are they good for your teeth but Peppersmith is vegan friendly, sugar free, vegetarian, gluten free, GMO free, free from palm oil and nut free.