A Plant-Based Diet Can Improve Insulin Resistance and Lipids in Obese Individuals

Plant-based diets are frequently in the news today, because the diets appear to be beneficial in combating many chronic diseases, including obesity, high blood pressure, chronic kidney disease, type 2 diabetes, cardiovascular disease(CVD) and diabetes." And a recent study has shown that a vegan diet, which is plant-based, can improve insulin resistance as well as CVD parameters, such as blood lipids, in obese individuals. 

First of all, a plant-based diet may be anything from a semi-vegetarian diet, consisting of small portions of animal products, to a vegan diet, which excludes all animal products. And compared to diets that include animal products, plant-based diets can be significantly helpful in the treatment of CVD.

In the study mentioned above, a vegan diet was also helpful, not only in improving CVD parameters, but also in lowering insulin resistance. The study was a meta-analysis where the researchers selected six studies in seven datasets. And it was found that the vegan diet improved insulin resistance, total cholesterol, HDL and LDL in persons with obesity. It should be noted that in this study, a plant-based diet appeared to have no effect on triglycerides.

The benefits of a plant-based diet are also evident in persons who have an increased genetic CVD risk profile. In one study consisting of 156,148 adult subjects, who did not have CVD, investigators found that adherence to a plant-based diet slowly decreased the risk of CVD even for persons who have a high genetic risk for CVD. Indeed, investigators concluded that “adherence to healthy plant-based diets may be associated with a decreased incidence of CVD in the entire population, suggesting that plant-based diet patterns may modify the risk of CVD, regardless of genetic susceptibility.”

Since the use of a plant-based diet can improve CVD risk factors and insulin resistance in persons with obesity, this is an opportunity for healthcare providers to help their patients. Healthcare providers should counsel patients on the benefits of a plant-based diet.

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