Macro partitioning
A high-protein (28-30% energy), high-monounsaturated fat diet during energy restriction significantly reduces LDL cholesterol and total/abdominal fat mass in women with type 2 diabetes compared to a lower-protein diet, without compromising glycemic control.
For women with Type 2 Diabetes looking to lose fat and improve cholesterol, a diet emphasizing high protein (approx. 30% of calories) and monounsaturated fats (like olive oil, nuts) while restricting calories to around 1,600 per day is more effective for lowering bad cholesterol (LDL) and losing belly fat than a standard lower-protein diet. This benefit was specific to women in this study; men lost similar amounts of fat on both diets. Glycemic control improved on both diets, so the HP diet offers added cardiovascular benefits without worsening blood sugar management.
LDL cholesterol reduction was significantly greater on the HP diet (5.7%) than on the LP diet (2.7%) (P < 0.01). ... women on the HP diet lost significantly more total (5.3 vs. 2.8 kg, P < 0.009) and abdominal (1.3 vs. 0.7 kg, P < 0.006) fat compared with the women on the LP diet
Why this rating
Randomized controlled trial with a clear comparator, though the sample size is moderate (n=54) and the study duration is relatively short (12 weeks).
Source
Effect of a High-Protein, High–Monounsaturated Fat Weight Loss Diet on Glycemic Control and Lipid Levels in Type 2 Diabetes
Barbara A. Parker et al. · Diabetes Care · 2002
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