Research
Mixed
High total fat intake has little influence on vascular function independent of fatty acid composition, whereas single high-fat meals acutely impair endothelial function compared with low-fat meals.
Focus on the type of fat you eat rather than just cutting total fat. While a single high-fat meal might temporarily stress your blood vessels, your long-term vascular health is determined by whether you consume saturated fats (which are harmful) or unsaturated fats (which are beneficial).
ModerateQualifiesMEDIUM confidence
the amount of dietary fat consumed habitually appears to have little influence on vascular function independent of fatty acid composition, although single high-fat meals postprandially impair endothelial function compared with low-fat meals.
Why this rating
Based on a review of observational and intervention studies, noting mixed results and methodological constraints.
Source
Dietary saturated and unsaturated fats as determinants of blood pressure and vascular function
Wendy L. Hall · Nutrition Research Reviews · 2009
DOI 10.1017/s095442240925846x
narrative_reviewCited 169×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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