Research

Hormonal

Higher circulating levels of plasma very-long-chain saturated fatty acids (VLCSFAs: C20:0, C22:0, C24:0) are associated with a significantly lower risk of incident coronary heart disease (CHD) in US men and women.

This observational study suggests that higher levels of specific very-long-chain saturated fatty acids (C20:0, C22:0, C24:0) in the blood are linked to a lower risk of heart disease. However, this does not mean you should intentionally consume more of these fats, as their source and overall dietary context are critical. The findings highlight the complexity of lipid metabolism and suggest that blood markers of these fatty acids may serve as useful indicators of cardiovascular health rather than direct targets for supplementation.

GoodSupportsHIGH confidence
After multivariate adjustment for lifestyle factors, body mass index, diet, and long-chain n-3 and trans fatty acids, total VLCSFAs in plasma were associated with a 52% decreased risk of CHD (pooled hazard ratio, 0.48; 95% confidence interval, 0.32–0.72, comparing extreme quintiles; Ptrend<0.0001).
Vasanti Malik et al. · Circulation · 2015

Why this rating

Large prospective cohorts (NHS and HPFS) with rigorous matching and adjustment for confounders, though observational design prevents causal inference.

Source

Circulating Very-Long-Chain Saturated Fatty Acids and Incident Coronary Heart Disease in US Men and Women

Vasanti Malik et al. · Circulation · 2015

DOI 10.1161/circulationaha.114.014911

cohort · n=2027Cited 92×
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DOI resolved against Crossref · corpus check 2026-06-10

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