Alcoholic drink which contains a very high level of alcohol and "does not contain any added flavoring" is commonly called a neutral spirit. Generally, any distilled alcoholic beverage of 170 US proof or higher is considered to be a neutral spirit. Most yeasts cannot reproduce when the concentration of alcohol is higher than about 18%, so that is the practical limit for the strength of fermented drinks such as wine, beer, and sake. However, some strains of yeast have been developed that can reproduce in solutions of up to 25% ABV. Shot sizes vary significantly from country to country. In the United
Mulled wine "Feuerzangenbowle". It shares the same recipe, but for this drink a rum-soaked sugarloaf is set on fire and allowed to drip into the wine. "Glögg", "gløgg", "glögi" and similar words are the terms used for mulled wine in the Nordic countries (sometimes misspelled as "glog" or "glug"). It is spelled "gløgg" in Norwegian and Danish, "glögg" in Swedish and Icelandic and "glögi" in Finnish and Estonian. In Denmark, Norway and Sweden, "gløgg" or "glögg" is often drunk at Christmas events. Non-alcoholic and alcoholic versions of "glögg" can be bought ready-made or prepared with fruit juices instead of wine. The main