Brunost the Norwegian dairy co-operative Tine, who market a total of 13 varieties, as well as three types of prim and three types of pultost. The second-largest is Norwegian dairy company Synnøve Finden, which market two varieties of brunost, as well as two varieties of prim. There are also a number of smaller, artisanal producers, mainly in Norway and in the US. Mysost are a family of cheese-related foods made with whey and milk and/or cream. Because the main ingredient, whey, is a byproduct of the cheese making process, brunost is not technically cheese, and it does not taste like cheese.
Brunost otherwise specified, "Gudbrandsdalsost" will be provided. This variety is also the most popular internationally, and in the US it is commonly referred to just as "Gjetost". The second most popular variety is the "Fløtemysost", which has a milder taste due to the lack of goat's milk. The third most popular type is the "Ekte geitost". Related to brunost are "prim" (in Norwegian) or "messmör" (in Swedish), which is a soft, sweet spread commonly sold in tubes all across the Nordic countries. This is the original, ancient product made by boiling whey for a shorter period of time than brunost, and