Trans fat regulation, that aims to limit the amount of "trans fat" — fat containing trans fatty acids — in industrial food products, has been enacted in many countries. These regulations were motivated by numerous studies that pointed to significant negative health effects of trans fat. It is generally accepted that trans fat in the diet is a contributing factor in several diseases, including cardiovascular disease, diabetes, and cancer.
History As early as 1956, there were suggestions in the scientific literature that trans fats could be a cause of the large increase in coronary artery disease but after three decades the concerns were still largely unaddressed. Instead, by the 1980s, fats of animal origin had become one of the greatest concerns of dieticians. Activists, such as Phil Sokolof, who took out full page ads in major newspapers, attacked the use of beef tallow in McDonald's french fries and urged fast-food companies to switch to vegetable oils. The result was an almost overnight switch by most fast-food outlets to trans fats. Studies in the early 1990s, however, brought renewed scrutiny and confirmation of the negative health impact of trans fats. In 1994, it was estimated that trans fats caused 20,000 deaths annually in the United States from heart disease. Mandatory food labeling for trans fats was introduced in several countries. Campaigns were launched by activists to bring attention to the issue and change the practices of food manufacturers.
International regulation The international trade in food is standardized in the Codex Alimentarius. Hydrogenated oils and fats come under the scope of Codex Stan 19. Non-dairy fat spreads are covered by Codex Stan 256-2007. In the Codex Alimentarius, trans fat to be labelled as such is defined as the geometrical isomers of monounsaturated and polyunsaturated fatty acids having non-conjugated [interrupted by at least one methylene group (−CH2−)] carbon-carbon double bonds in the trans configuration. This definition excludes conjugated linoleic acid which is present naturally in human milk, dairy products, and beef. It does not exclude vaccenic acid. In 2018 the World Health Organization launched a plan to eliminate trans fat from the global food supply. They estimate that trans fat leads to more than 500,000 deaths from cardiovascular disease yearly.
By country
Argentina Trans fat content labeling started being required in August 2006. Industrial foods must contain a maximum of 2% of trans fat over total fat, except for ruminant fats, which have no limit.
Australia The Australian federal government has indicated that it wants to pursue actively a policy to reduce trans fats from fast foods. The former federal assistant health minister, Christopher Pyne, asked fast food outlets to reduce their trans fat use. A draft plan was proposed, with a September 2007 timetable, to reduce reliance on trans fats and saturated fats. As of 2018, Australia's food labeling laws do not require trans fats to be shown separately from the total fat content. However, margarine in Australia has been mostly free of trans fat since 1996.
Austria Trans fat content limited to 4% of total fat, 2% on products that contain more than 20% fat.
Belgium The Conseil Supérieur de la Santé published in 2012 a science-policy advisory report on industrially produced trans fatty acids that focuses on the general population. Its recommendation to the legislature was to prohibit more than 2 g of trans fatty acids per 100 g of fat in food products.
Brazil Resolution 360 of 23 December 2003 by the Brazilian ministry of health required for the first time in the country that the amount of trans fat to be specified in labels of food products. On 31 July 2006, such labelling of trans fat contents became mandatory. In 2019 Anvisa published a new legislation to reduce the total amount of trans fat in any industrialized food sold in Brazil to a maximum of 2% by the end of 2023.
Canada In a process that began in 2004, Health Canada finally banned partially hydrogenated oils (PHOs), the primary source of industrially produced trans fats in foods, in September 2018. On 15 September 2017, Health Canada announced that trans fat will be completely banned effective on 15 September 2018. and the ban came into effect in September 2018, banning partially hydrogenated oils (the largest source of industrially produced trans fats in foods). It is now illegal for manufacturers to add partially hydrogenated oils to foods sold in or imported into Canada.
Denmark In March 2003, Denmark became the first country to effectively ban artificial trans fat It limited the trans share to 2% of fats and oils destined for human consumption, a standard that partially hydrogenated oil fails. This restriction is on the ingredients rather than the final products. This regulatory approach thus made Denmark the first country in which it was possible to eat "far less" than 1 g of industrially produced trans fats daily, even with a diet including processed foods. One public health study concluded that Danish government's efforts to decrease trans fat intake from 6 g to 1 g per day over 20 years is related to a 50% decrease in deaths from ischemic heart disease.
European Union In 2004, the European Food Safety Authority produced a scientific opinion on trans fatty acids, surmising that "higher intakes of TFA may increase risk for coronary heart disease". From 2 April 2021 foods in the EU intended for consumers are required to contain less than 2g of industrial trans fat per 100g of fat.
Greece Law in Greece limits content of trans fats sold in school canteens to 0.1% (Ministerial Decision Υ1γ/ΓΠ/οικ 81025/ΦΕΚ 2135/τ.Β'/29-08-2013 as modified by Ministerial Decision Υ1γ/ Γ.Π/οικ 96605/ΦΕΚ 2800 τ.Β/4-11-201).
Iceland Total trans fat content was limited in 2010 to 2% of total fat content.
Israel Since 2014, it is obligatory to mark food products with more than 2% (by weight) fat. The nutritional facts must contain the amount of trans fats.
Romania On 19 August 2020, the president promulgated Law 182/2020 that limits trans fats to 2 grams per every 100 grams of fat, max. The food producers who will not conform will be fined with a sum ranging between 10,000 and 30,000 lei. It will come into force on the 1st of April 2020, and it was initiated in 2017 by Save Romania Union senator Adrian Wiener.
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