Table 1.

Summary of the meta-analyses on the effect of vegetarian diets on Body Weight (BW) and Body Mass Index (BMI), compared to non-vegetarian diets (habitual or therapeutic).

	Vegetarian	LOV	VN
Observational Studies (BMI, kg/m2)
Dinu, 2017 [66]		−1.49	−1.72
Benatar, 2018 [73]			−1.72 total −1.92 non-Asians −0.2 Asians 1
Intervention Studies (BW, kg)
Barnard, 2015 2 [74]			−4.6
Huang, 2016 3 [72]	−2.02	−1.48	−2.52
Termannsen, 2022 2 [75]			−7.4
Termannsen, 2022 3 [75]			−2.7
Wang, 2015 2,3 [76]	−2.88

¹ Non-significant. ² Versus omnivore controls following habitual diet. ³ Versus omnivore controls following another specific diet for weight loss.