Research
Macro partitioning
High intake of saturated fatty acids (SFA) at the population level is not associated with increased cardiovascular disease (CVD) incidence or mortality, provided the SFA is not replaced by low-quality carbohydrates.
You do not need to fear saturated fats if your overall diet is balanced. The key is not to replace fats with refined sugars or white flour. Focus on whole foods, adequate protein, and healthy fats rather than strictly limiting total fat grams.
GoodRefutesHIGH confidence
We now know that at a population level, high SFA consumers per se do not present with higher CVD incidence and mortality.
Why this rating
Supported by large cohort studies (PURE, HPFS, NHS) and meta-analyses cited in the editorial.
Source
The big fat debate
Anne Marie Minihane · Nutrition Bulletin · 2017
DOI 10.1111/nbu.12302
narrative_reviewCited 3×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
More from this paper
- Replacing saturated fatty acids (SFA) with polyunsaturated fatty acids (PUFA) reduces coronary heart disease (CHD) risk by 2-3% for every 1% of energy substituted, whereas replacing SFA with low-quality carbohydrates (refined starches/sugars) provides no such benefit and may increase risk.Good
- Supplementation with marine long-chain n-3 polyunsaturated fatty acids (EPA and DHA) reduces cardiovascular risk in primary prevention and secondary prevention for patients with low baseline status and limited polypharmacy, but recent trials show null results in highly medicated secondary prevention populations.Good
Related findings · Macro partitioning
- Total daily protein intake of 1.6 g/kg/day is sufficient for maximizing resistance training-induced muscle gains, with an upper confidence interval of 2.2 g/kg/day.Strong
- Resistance exercise training combined with sufficient dietary protein intake acts synergistically to maximize skeletal muscle hypertrophy, with protein intake saturating around 1.6 g/kg/day for general populations and potentially requiring 2.0-2.2 g/kg/day for resistance-trained individuals.Strong
- Trans fats should be completely eliminated from the diet, as they increase LDL cholesterol, decrease HDL cholesterol, and are directly associated with increased coronary risk.Strong
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