Fatty Acids, Their Food Sources, and Cardiovascular Disease: Current Evidence and Controversies Surrounding the 2025-2030 Dietary Guidelines for Americans - PubMed
5 hours ago
- #Dietary Guidelines
- #Saturated Fats
- #Cardiovascular Health
- The 2025-2030 Dietary Guidelines recommend limiting saturated fatty acid (SFA) intake to <10% of total energy, while also endorsing SFA-rich foods like red meats and full dairy, causing confusion.
- Evidence shows isocalorically replacing SFA with cis monounsaturated fatty acids (MUFA) or polyunsaturated fatty acids (PUFA) reduces atherogenic LDL cholesterol and coronary heart disease (CHD) risk.
- Replacing SFA with refined carbohydrates has neutral effects on blood lipids and CHD risk.
- Animal fats, including dairy fat, are linked to adverse lipid profiles and higher CHD risk compared to plant-based oils rich in MUFA/PUFA.
- Red and processed meat consumption is associated with increased CHD risk, especially compared to nuts, legumes, and whole grains.
- Dairy product health effects vary by fat content, type, and consumption levels, with benefits favoring low-fat and fermented options.
- A heart-healthy diet should emphasize plant oils, nuts, seeds, fruits, vegetables, whole grains, legumes, and dark-meat fish, while limiting red/processed meats and full-fat dairy.