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Evidence-Based Supplement Research
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Lactobacillus rhamnosus GG

Safety profile

5 studies reporting safety data1 serious adverse event

Across 5 clinical studies reporting safety data on Lactobacillus rhamnosus GG, no specific adverse events were found to be significantly increased compared to control. Two findings showed no significant difference between LGG and placebo for events such as bacterial cholangitis and death (serious adverse events were flagged in one study but not attributable to the supplement). In 5 studies, the probiotic was generally described as well tolerated or unquantified in terms of safety, with no reports of increased risk.

Caveats: Evidence base is limited to a small number of studies; absence of reported adverse events does not establish safety. Most studies were not primarily designed to assess safety, so rare or long-term adverse events may not be captured.

Most-studied combinations with Lactobacillus rhamnosus GG

most supplement research is combination research
Also studied with:Saccharomyces boulardii (2), Lactobacillus reuteri DSM 17938 (3)

  • Oral Health Probiotics

    By NatureWise

    4.7 (642 reviews)
    Out of Stock
    Available From
    Available From
    MerchantPriceStockAction
    Amazon
    $-
    		Out
    iHerb
    $31.54
    		In
    Vitacost
    $26.99
    		In
    Vitamin Shoppe
    $-
    		Out

  • Fortify, Women's Probiotic + Prebiotics, Everyday Care, 30 Billion

    By Nature's Way

    4.7 (557 reviews)
    Out of Stock
    Available From
    Available From
    MerchantPriceStockAction
    Amazon
    $-
    		Out
    iHerb
    $19.19
    		In
    Vitacost
    $19.69
    		In
    Vitamin Shoppe
    $19.99
    		In

  • Prenatal Probiotic

    By LoveBug Probiotics

    4.8 (678 reviews)
    Out of Stock
    Available From
    Available From
    MerchantPriceStockAction
    Amazon
    $-
    		Out
    iHerb
    $24.95
    		In
    Vitacost
    $-
    		Out
    Vitamin Shoppe
    $-
    		Out

  • Teen Clearface Vitamins

    By Codeage

    4.7 (402 reviews)
    Out of Stock
    Available From
    Available From
    MerchantPriceStockAction
    Amazon
    $-
    		Out
    iHerb
    $27.99
    		In
    Vitacost
    $27.99
    		In
    Vitamin Shoppe
    $27.99
    		In

  • Probiotics

    By Culturelle

    4.6 (2.1K reviews)
    Out of Stock
    Available From
    Available From
    MerchantPriceStockAction
    Amazon
    $-
    		Out
    iHerb
    $25.65
    		In
    Vitacost
    $22.29
    		In
    Vitamin Shoppe
    $-
    		Out

  • Fortify

    By Nature's Way

    4.6 (268 reviews)
    In Stock
    Available From
    Available From
    MerchantPriceStockAction
    Amazon
    $-
    		Out
    iHerb
    $17.27
    		In
    Vitacost
    $-
    		Out
    Vitamin Shoppe
    $-
    		Out
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