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  • A review of probiotic supplementation in healthy adults: helpful or hype?

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    IrwinPUB163.pdf (428.8Kb)
    Author(s)
    Khalesi, Saman
    Bellissimo, Nick
    Vandelanotte, Corneel
    Williams, Susan
    Stanley, Dragana
    Irwin, Christopher
    Griffith University Author(s)
    Irwin, Chris G.
    Year published
    2019
    Metadata
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    Abstract
    Probiotic supplements have a positive impact on several health outcomes. However, the majority of published studies have focused on populations with specific health pathologies. Therefore, this study reviewed the current literature on the health effects of probiotic consumption in “healthy adults.” The findings from this review may help guide consumers, researchers, and manufacturers regarding probiotic supplementation. Relevant literature published between 1990 and August 2017 was reviewed. Studies were included if they were experimental trials, included healthy adults, used live bacteria, and had accessible full-text ...
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    Probiotic supplements have a positive impact on several health outcomes. However, the majority of published studies have focused on populations with specific health pathologies. Therefore, this study reviewed the current literature on the health effects of probiotic consumption in “healthy adults.” The findings from this review may help guide consumers, researchers, and manufacturers regarding probiotic supplementation. Relevant literature published between 1990 and August 2017 was reviewed. Studies were included if they were experimental trials, included healthy adults, used live bacteria, and had accessible full-text articles published in English. Included studies were classified according to common foci that emerged. Forty-five studies were included in this review. Five foci emerged: gut microbiota changes (n = 15); immune system response (n = 16); lipid profile and cardiovascular disease risk (n = 14); gastrointestinal discomfort (n = 11); and female reproductive health (n = 4). Results suggest that probiotic supplementation in healthy adults can lead to transient improvement in gut microbiota concentration of supplement-specific bacteria. Evidence also supports the role of probiotics in improving immune system responses, stool consistency, bowel movement, and vaginal lactobacilli concentration. There is insufficient evidence to support the role of probiotics to improve blood lipid profile. Probiotic consumption can improve in the immune, gastrointestinal, and female reproductive health systems in healthy adults. However, this review failed to support the ability of probiotics to cause persistent changes in gut microbiota, or improve lipid profile in healthy adults. The feasibility of probiotics consumption to provide benefits in healthy adults requires further investigation.
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    Journal Title
    Environmental Science and Pollution Research
    DOI
    https://doi.org/10.1038/s41430-018-0135-9
    Copyright Statement
    © 2018 Springer-Verlag. This is an electronic version of an article published in Environmental Science and Pollution Research (ESPR), Vol. 73, pages24–37, 2019. Environmental Science and Pollution Research (ESPR) is available online at: http://link.springer.com// with the open URL of your article.
    Subject
    Nutrition and dietetics
    Nutrition and dietetics not elsewhere classified
    Food sciences
    Probiotic supplementation
    Health outcomes
    Blood lipid profile
    Immune
    Gastrointestinal
    Female reproductive health systems
    Gut microbiota
    Publication URI
    http://hdl.handle.net/10072/381737
    Collection
    • Journal articles

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