Journal
JOURNAL OF FUNCTIONAL FOODS
Volume 105, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jff.2023.105565
Keywords
Nigella sativa; Body composition; Obesity; Body mass index; Meta-analysis
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Many studies have examined the effects of Nigella Sativa supplementation on anthropometric indices, but the results have been inconsistent. This systematic review and meta-analysis found that N. sativa supplementation significantly reduced body weight and BMI in adults, but had no significant effect on waist circumference, hip circumference, and waist-to-hip ratio. Based on these findings, N. sativa supplementation may be a recommended adjunctive intervention in obesity management.
Many studies have suggested that Nigella Sativa supplementation may exert a beneficial effect on anthropometric indices; however, the findings are inconclusive. Therefore, this study was conducted to obtain an updated finding in this regard. Systematic search was conducted in PubMed, Cochrane Library, Web of Science, Scopus, Embase databases, and Google Scholar, up to August 2022. N. sativa supplementation significantly reduced BW (WMD =-1.46 kg; 95 % CI:-2.53,-0.39) and BMI (WMD:-0.58 kg/m2, 95 % CI:-0.86,-0.29) compared to placebo group. However, no significant reductions were found in WC (WMD:-2.54 cm, 95 % CI:-6.27, 1.19), HC (WMD:-1.92 cm; 95 % CI:-4.38 to 0.54), and WHR (WMD =-0.03; 95 % CI:-0.07, 0.01). The current meta-analysis revealed that N. sativa supplementation in adults led to a significant decrease in body weight and BMI, but not WC, HC, and WHR. Thus, according to our findings, N. sativa supplementation can be recommended as an adjunctive intervention in obesity management.
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