Dietary Saturated Fats and Health: Are the U.S. Guidelines Evidence-Based?

The last decade has seen nearly 20 papers reviewing the totality of the data on saturated fats and cardiovascular outcomes, which, altogether, have demonstrated a lack of rigorous evidence to support continued recommendations either to limit the consumption of saturated fatty acids or to replace the...

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Bibliographic Details
Published in:Nutrients 2021-09, Vol.13 (10), p.3305
Main Authors: Astrup, Arne, Teicholz, Nina, Magkos, Faidon, Bier, Dennis M., Brenna, J. Thomas, King, Janet C., Mente, Andrew, Ordovas, José M., Volek, Jeff S., Yusuf, Salim, Krauss, Ronald M.
Format: Article
Language:English
Subjects:
Calories
Cardiovascular disease
Cholesterol
Clinical trials
Diet
Dietary guidelines
Energy intake
Fats
Fatty acids
Food matrix
Guidelines
Heart attacks
Hypotheses
Mortality
Nutrition
Nutrition research
Oils & fats
Polyunsaturated fatty acids
Systematic review
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Summary:The last decade has seen nearly 20 papers reviewing the totality of the data on saturated fats and cardiovascular outcomes, which, altogether, have demonstrated a lack of rigorous evidence to support continued recommendations either to limit the consumption of saturated fatty acids or to replace them with polyunsaturated fatty acids. These papers were unfortunately not considered by the process leading to the most recent U.S. Dietary Guidelines for Americans, the country’s national nutrition policy, which recently reconfirmed its recommendation to limit saturated fats to 10% or less of total energy intake, based on insufficient and inconsistent evidence. Continuation of a cap on saturated fat intake also fails to consider the important effects of the food matrix and the overall dietary pattern in which saturated fatty acids are consumed.
ISSN:2072-6643
2072-6643
DOI:10.3390/nu13103305