Bans and labelling helped to reduce Americans’ trans fat levels by 58%BMJ 2012; 344 doi: https://doi.org/10.1136/bmj.e1084 (Published 13 February 2012) Cite this as: BMJ 2012;344:e1084
- Owen Dyer
Concentrations of trans fats in the blood of US citizens have plummeted in the past decade as local bans and a national labelling requirement have largely driven the unhealthy ingredient from food in restaurants and on supermarket shelves, shows a study.
Researchers from the Centers for Disease Control and Prevention measured fasting blood samples of white Americans taken in 2000 and 2009 as part of the national health and nutrition examination survey. They found that average combined concentrations of the four major trans fatty acids fell from 93.1 micromol/L (95% confidence interval 82.5 to 103.6) to …