Mixed
Higher circulating levels of very-long-chain saturated fatty acids (VLSFAs), specifically lignoceric acid (24:0), behenic acid (22:0), and arachidic acid (20:0), are associated with a lower risk of incident heart failure in older adults.
For older adults, maintaining higher levels of very-long-chain saturated fatty acids (like 24:0, 22:0, and 20:0) in the blood is linked to a lower risk of developing heart failure. These fatty acids come from both diet (e.g., peanuts, macadamia nuts, canola oil) and the body's own metabolism. While this doesn't mean you should aggressively supplement saturated fats, it suggests that a diet including these specific fatty acids may be protective. Focus on whole food sources like nuts and seeds rather than processed fats.
Higher levels of circulating VLSFAs are associated with lower risk of incident HF in older adults.
Why this rating
Large prospective cohort (4249 participants), long follow-up (up to 23 years), serial biomarker measurements, and robust multivariable adjustment, though observational design limits causal inference.
Source
Circulating Very Long‐Chain Saturated Fatty Acids and Heart Failure: The Cardiovascular Health Study
Rozenn N. Lemaître et al. · Journal of the American Heart Association · 2018
DOI 10.1161/jaha.118.010019
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