Effects of Nigella sativa supplementation on lipid profiles in adults: An updated systematic review and meta-analysis of randomized controlled trials

Several experiments have suggested that Nigella sativa (N. sativa) supplementation may have a beneficial effect on the lipid profile. However, the results from these trials have been inconclusive. Therefore, this study aimed to explore the impact of N. sativa supplementation on the lipid profile of...

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Veröffentlicht in:Clinical nutrition ESPEN 2024-06, Vol.61, p.168-180
Hauptverfasser: Rounagh, Mahsa, Musazadeh, Vali, Hosseininejad-Mohebati, Ali, Falahatzadeh, Maryam, Kavyani, Zeynab, Rostami, Reza Bijan, Vajdi, Mahdi
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container_start_page 168
container_title Clinical nutrition ESPEN
container_volume 61
creator Rounagh, Mahsa
Musazadeh, Vali
Hosseininejad-Mohebati, Ali
Falahatzadeh, Maryam
Kavyani, Zeynab
Rostami, Reza Bijan
Vajdi, Mahdi
description Several experiments have suggested that Nigella sativa (N. sativa) supplementation may have a beneficial effect on the lipid profile. However, the results from these trials have been inconclusive. Therefore, this study aimed to explore the impact of N. sativa supplementation on the lipid profile of adult participants. We searched Scopus, Web of Science, PubMed, Cochrane, and Web of Science databases until December 2022. Random effects models were used, and pooled data were determined as standardized mean differences with a 95% confidence interval. The findings of 34 studies with 2278 participants revealed that N. sativa supplementation significantly reduced total cholesterol (TC) (SMD: −1.78; 95% CI: −2.20, −1.37, p 
doi_str_mv 10.1016/j.clnesp.2024.03.020
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However, the results from these trials have been inconclusive. Therefore, this study aimed to explore the impact of N. sativa supplementation on the lipid profile of adult participants. We searched Scopus, Web of Science, PubMed, Cochrane, and Web of Science databases until December 2022. Random effects models were used, and pooled data were determined as standardized mean differences with a 95% confidence interval. The findings of 34 studies with 2278 participants revealed that N. sativa supplementation significantly reduced total cholesterol (TC) (SMD: −1.78; 95% CI: −2.20, −1.37, p &lt; 0.001), triglycerides (TG) (SMD: −1.2725; 95% CI: −1.67, −0.83, p &lt; 0.001), and low-density lipoprotein cholesterol (LDL-C) (SMD: −2.45; 95% CI: −3.06, −1.85; p &lt; 0.001) compared to control groups. However, a significant increase was found in high-density lipoprotein cholesterol (HDL-C) (SMD: 0.79; 95% CI: 0.38, 1.20, p &lt; 0.001). N. sativa has improved effects on TG, LDL-C, TC, and HDL-C levels. Overall, N. sativa may be suggested as an adjuvant anti-hyperlipidemic agent.</description><identifier>ISSN: 2405-4577</identifier><identifier>EISSN: 2405-4577</identifier><identifier>DOI: 10.1016/j.clnesp.2024.03.020</identifier><identifier>PMID: 38777430</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>adjuvants ; Adult ; adults ; Blood lipids ; Cholesterol - blood ; Cholesterol, HDL - blood ; Cholesterol, LDL - blood ; clinical nutrition ; confidence interval ; Dietary Supplements ; high density lipoprotein cholesterol ; Humans ; Hyperlipidemia ; lipid composition ; Lipids - blood ; low density lipoprotein cholesterol ; Meta-analysis ; Nigella sativa ; Nigella sativa - chemistry ; Randomized Controlled Trials as Topic ; Systematic review ; Triglycerides - blood</subject><ispartof>Clinical nutrition ESPEN, 2024-06, Vol.61, p.168-180</ispartof><rights>2024 European Society for Clinical Nutrition and Metabolism</rights><rights>Copyright © 2024 European Society for Clinical Nutrition and Metabolism. 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N. sativa has improved effects on TG, LDL-C, TC, and HDL-C levels. 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subjects adjuvants
Adult
adults
Blood lipids
Cholesterol - blood
Cholesterol, HDL - blood
Cholesterol, LDL - blood
clinical nutrition
confidence interval
Dietary Supplements
high density lipoprotein cholesterol
Humans
Hyperlipidemia
lipid composition
Lipids - blood
low density lipoprotein cholesterol
Meta-analysis
Nigella sativa
Nigella sativa - chemistry
Randomized Controlled Trials as Topic
Systematic review
Triglycerides - blood
title Effects of Nigella sativa supplementation on lipid profiles in adults: An updated systematic review and meta-analysis of randomized controlled trials
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