Macro partitioning
Substituting saturated fat with monounsaturated fat (MUFA) in a high-fat diet leads to significant loss of body weight and fat mass without requiring changes in total energy or fat intake.
If you eat a high-fat diet, ensure the majority of that fat comes from monounsaturated sources (like olive oil, nuts, avocados) rather than saturated fats (like butter, fatty meats). This substitution may help you lose fat mass without needing to count calories or restrict total fat intake, as your body may oxidize MUFA more efficiently than SFA.
Substituting dietary saturated with unsaturated fat, predominantly MUFA, can induce a small but significant loss of body weight and fat mass without a significant change in total energy or fat intake.
Why this rating
Randomized crossover design with controlled diets, but small sample size (n=8) and short duration (4 weeks).
Source
Substitution of saturated with monounsaturated fat in a 4-week diet affects body weight and composition of overweight and obese men
Leonard S. Piers et al. · British Journal Of Nutrition · 2003
DOI 10.1079/bjn2003948
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