 Hari later claimed that she was aware of the historic use of isinglass, and was raising attention to it for the benefit of uninformed vegans and vegetarians.In October 2015 Guinness announced that they are stopping the use of isinglass in their refining process so that their beer will become vegan-friendly.In August 2014, Hari wrote a blog post in which she claimed there is a lack of transparency when it comes to the ingredients in Starbucks' drinks.