Vegan diets boost weight loss, lower blood sugar in adults w
A meta-analysis of 11 randomized trials involving almost 800 participants (aged 18 or older) comparing the effect of vegan diets to other types of diets on cardiometabolic risk factors—body weight, body mass index [BMI], blood sugar levels, systolic and diastolic blood pressure, total cholesterol, low-density lipoprotein cholesterol (so-called 'bad cholesterol'), high-density lipoprotein cholesterol, and triglycerides.

Data were analyzed for 11 studies involving 796 individuals (average age ranging from 48 to 61 years) with overweight (BMI of 25 kg/m2 or over) or type 2 diabetes. The trials lasted for at least 12 weeks (average duration 19 weeks) and considered weight loss of at least 5 kg (11lbs) clinically meaningful.

Analyses found that compared with control diets, vegan diets significantly reduced body weight (effect average -4.1 kg) and BMI (-1.38 kg/m2). But the effects on blood sugar level (-0.18 %-points), total cholesterol (-0.30 mmol/L) and low-density lipoprotein cholesterol (-0.24 mmol/L) were rather small.

Further analyses found even greater reductions in body weight and BMI when vegan diets were compared with continuing a normal diet without dietary changes (-7.4 kg and -2.78 kg/m2 respectively), than compared with other intervention diets (-2.7 kg and -0.87 kg/m2).

Source: https://medicalxpress.com/news/2022-05-vegan-diets-boost-weight-loss.html
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