Cited by 38Ovarian function and disordersFatty Acid Research and HealthAntioxidant Activity and Oxidative Stress

Influence of n -3 fatty acid supplementation on inflammatory and oxidative stress markers in patients with polycystic ovary syndrome: a systematic review and meta-analysis

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Tosatti, Jéssica A. G., Alves, Michelle T., Cândido, Ana L., Reis, Fernando M., Araújo, Vânia E., Gomes, Karina B.·2021·British Journal of Nutrition

Abstract

Polycystic ovary syndrome (PCOS) is defined as a reproductive endocrine disease that results in a low-grade inflammatory and pro-oxidant state. Dietary factors, including n -3 fatty acids, may have a key role in improving metabolic disorders in PCOS patients. The present study aimed to investigate the influence of n -3 fatty acid supplementation on inflammatory and oxidative stress (OS) markers in patients with PCOS. A systematic literature search of Medline/PubMed, Cochrane Central Register of Controlled Trials, Scopus and Lilacs, until November 2019, was conducted. Randomised clinical trials that reported inflammatory and OS markers as endpoints in women with PCOS receiving n -3 fatty acid supplementation were included. The pooled estimates of the weighted mean differences (WMD) and the standard mean differences (SMD) were calculated. Random effects models were adopted to measure the pooled outcomes. Among the 323 studies retrieved, ten fulfilled the inclusion criteria for a meta-analysis. We founded a significant decrease in high-sensitivity C-reactive protein (hs-CRP) (SMD –0·29 (95 % CI –0·56, –0·02) mg/l) and an increase in adiponectin (WMD 1·42 (95 % CI 1·09, 1·76) ng/ml) concentrations in the intervention group when compared with the placebo group. No statistically significant results were found in the meta-analysis for visfatin, nitric oxide, GSH or malondialdehyde levels or total antioxidant capacity. The data suggest that supplementation of n -3 fatty acids could reduce the inflammatory state in women with PCOS, through a decrease in hs-CRP and an increase in adiponectin levels.

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Crossref · 10.1017/s0007114520003207

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  • Clinical studies suggest that omega-3 supplementation has beneficial effects on CRP, lipid profiles, and insulin resistance in PCOS patients.

    “Clinical studies have suggested that omega-3 supplementation has a beneficial effect on various health factors, such as remission of C-reactive protein (CRP) and improvements in lipid profiles, as well as the insulin resistance in PCOS patients has been lessened [195].”

    From Nutritional and herbal interventions for polycystic ovary syndrome (PCOS): a comprehensive review of dietary approaches, macronutrient impact, and herbal medicine in management (2025) · cites this paper as [195]

    The Inflammatory markers—high-sensitivity C-reactive protein section (page unavailable) reports a significant reduction in hs-CRP with n-3 supplementation versus placebo in women with PCOS. The paper discusses possible effects on insulin sensitivity and reports reduced triglycerides in adults generally, but it does not establish improved lipid profiles or reduced insulin resistance in PCOS patients. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • A meta-analysis of 10 randomized clinical trials showed that n-3 PUFA supplementation decreased serum hs-CRP and increased serum adiponectin levels.

    “A meta-analysis of 10 randomized clinical trials showed that n-3 PUFA supplementation decreased serum hs-CRP and increased serum adiponectin levels [90]”

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  1. JPT Higgins, J Thomas, J Chandler, et al., editors]. Oxford, UK: The Cochrane Collaboration.

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Authors
Tosatti, J. A. G., Alves, M. T., Cândido, A. L., Reis, F. M., Araújo, V. E., & Gomes, K. B.
Affiliations
  • Universidade Federal de Minas Gerais (BR)
  • Pontifícia Universidade Católica de Minas Gerais (BR)
Corresponding author
Gomes, Karina B.
Venue
British Journal of Nutrition
Published
2020-08-17
Volume
125
Issue
6
Pages
657-668
ISSN
  • 0007-1145 (ISSN-L)
  • 1475-2662
OpenAlex
W3071515262
Cited by
38
References
76
Citations by year
2026: 6 · 2025: 10 · 2024: 5 · 2023: 2 · 2022: 7 · 2021: 6 · 2020: 2
FWCI
0.63
Type
journal article
Language
en
Open access
Locations
  • British Journal Of Nutrition (publishedVersion)
  • PubMed (publishedVersion)
Funders
Conselho Nacional de Desenvolvimento Científico e Tecnológico (2017-6)
Topics
  • Health Sciences › Medicine › Reproductive Medicine › Ovarian function and disorders
  • Health Sciences › Nursing › Nutrition and Dietetics › Fatty Acid Research and Health
  • Health Sciences › Medicine › Biochemistry › Antioxidant Activity and Oxidative Stress
Keywords
polycystic ovary syndrome, omega-3 fatty acids, omega-3 supplementation, inflammation, oxidative stress, high-sensitivity C-reactive protein, adiponectin, visfatin, nitric oxide, malondialdehyde, glutathione, total antioxidant capacity
MeSH terms
Antioxidants, C-Reactive Protein, Female, Glutathione, Humans, Inflammation, Malondialdehyde, Nitric Oxide, Polycystic Ovary Syndrome, Fatty Acids, Omega-3, Oxidative Stress, Dietary Supplements, Adiponectin, Nicotinamide Phosphoribosyltransferase

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