100 ml Dr. Adam Elmegirab’s Boker’s Bitters are a recreation of the classic bottling from 1800, founded by John G. Boker in 1828, Boker's bitters gained popularity in New York and around the world as the finest bitters of the Golden Age of mixed drinks. This re-formulation was released in August 2009. Crafted from over proof spirits, water, herbs, spices, caramel and seven botanicals including orange peel, quassia bark, catechu, cardamom and mallow flowers.