Hormonal
A Very Low Carbohydrate Diet improves insulin sensitivity and favorable lipid profiles (increased HDL, decreased triglycerides) in older adults with obesity compared to a low-fat diet.
Beyond just weight loss, switching to a very low-carbohydrate diet can significantly improve your blood markers for heart health, specifically by lowering triglycerides and raising HDL cholesterol, more so than a standard low-fat diet would.
The VLCD had greater increases in insulin sensitivity and HDL-C and decreases in fasting insulin and triglycerides compared to the LFD group.
Why this rating
Randomized clinical trial with gold-standard clamp measurements, though sample size is small.
Source
Effects of weight loss during a very low carbohydrate diet on specific adipose tissue depots and insulin sensitivity in older adults with obesity: a randomized clinical trial
Amy M. Goss et al. · Nutrition & Metabolism · 2020
DOI 10.1186/s12986-020-00481-9
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