Energy balance
Diets enriched with trans fatty acids (elaidic acid) promote greater whole-body fat oxidation compared to diets enriched with monounsaturated (oleic) or saturated (palmitic) fatty acids.
Trans fats increase the amount of fat your body burns, but this does not make them healthy. They also raise LDL cholesterol and have no known health benefits. Avoid trans fats for cardiovascular health, regardless of their effect on fat oxidation.
Subjects oxidized the least fat on the M diet (26.0 ± 1.5 g/day) and the most fat on the T diet (31.4 ± 1.5 g/day) (P < 0.02).
Why this rating
Controlled feeding trial with indirect calorimetry, a robust method for measuring substrate oxidation.
Source
Effects of Diets Enriched in Saturated (Palmitic), Monounsaturated (Oleic), or <i>trans</i> (Elaidic) Fatty Acids on Insulin Sensitivity and Substrate Oxidation in Healthy Adults
Jennifer C. Lovejoy et al. · Diabetes Care · 2002
DOI 10.2337/diacare.25.8.1283
More from this paper
- In healthy lean adults, consuming diets enriched with saturated (palmitic) or trans (elaidic) fatty acids does not significantly alter insulin sensitivity or insulin secretion compared to a monounsaturated (oleic) diet, provided total fat intake is moderate (~28-30%).Good
- Overweight individuals (BMI 25-30 kg/m2) experience a significant decrease in insulin sensitivity when consuming a saturated fat diet compared to a monounsaturated fat diet, suggesting they are more susceptible to dietary fat-induced insulin resistance.Moderate
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