Lactobacillus rhamnosus GG ： Gut Immune Health

Q: Does Lactobacillus rhamnosus GG help with Gut Immune Health?

Based on 20 studies with 3,000 participants, there is moderate evidence from clinical studies that Lactobacillus rhamnosus GG may support Gut Immune Health management. Our evidence grade is B (Good Evidence).

Q: How much Lactobacillus rhamnosus GG should I take for Gut Immune Health?

Studies have used various dosages. A commonly studied range is 10-20 billion CFU/day. Always consult your healthcare provider before starting any supplement regimen.

Q: Are there side effects of Lactobacillus rhamnosus GG?

Reported side effects may include Mild bloating and gas (usually transient), Rare: bacteremia in severely immunocompromised patients, Generally very well tolerated. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

Q: How strong is the evidence for Lactobacillus rhamnosus GG and Gut Immune Health?

We rate the evidence as Grade B (Good Evidence). This rating is based on 20 peer-reviewed studies with 3,000 total participants. The overall direction of effect is positive.

Systematic reviews demonstrate Lactobacillus rhamnosus GG supplementation may help reduce the incidence and duration of upper respiratory tract infections in children and adults. Additionally supports intestinal barrier function and recovery from antibiotic-associated diarrhea.

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結論

Key Study Findings

Other

AhR ligands from LGG metabolites promote piglet intestinal ILC3 activation and IL-22 secretion to inhibit …

Dose: None vs: None Outcome: Gut microbiota composition 効果: None None

対象集団: Mouse model

In Vitro 2.7 weeks

Oral administration of lactobacilli from human intestinal tract protects mice against influenza virus infection.

Dose: None vs: None Outcome: immune function 効果: None p < 0.01

対象集団: mice (animal model)

Randomized Controlled Trial n=96 52 weeks Double-blind

Effect of probiotics and breastfeeding on the bifidobacterium and lactobacillus/enterococcus microbiota and humoral immune responses.

Dose: Lactobacillus rhamnosus GG vs: Placebo Outcome: Gut microbiota and Ig-secreting cells 効果: Higher IgG, IgM, IgA cells with probiotic+breastfeeding 0.005

対象集団: Infants supplemented with probiotics during breastfeeding

Key Statistics

研究数

3000

参加者数

↑

Positive

グレード

Referenced Papers

AhR ligands from LGG metabolites promote piglet intestinal ILC3 activation and IL-22 secretion to inhibit PEDV infection. Other

Journal of virology 2024 9 件の引用

Oral administration of lactobacilli from human intestinal tract protects mice against influenza virus infection. Other

Letters in applied … 2010 126 件の引用

Effect of probiotics and breastfeeding on the bifidobacterium and lactobacillus/enterococcus microbiota and humoral immune responses. RCT

The Journal of … 2005 178 件の引用

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

一般的な使用量

general:: 10-20 billion CFU/day

上限量： No established UL

研究で検討された用量

用量	期間	効果	N
None	--	Positive	--
None	2.7 weeks	Positive	--
Lactobacillus rhamnosus GG	52 weeks	Positive	96

推奨摂取タイミング： With or without food; consistency matters more than timing

Safety & Side Effects

報告されている副作用

⚠ Mild bloating and gas (usually transient)
⚠ Rare: bacteremia in severely immunocompromised patients
⚠ Generally very well tolerated

既知の相互作用

● Antibiotics (may reduce probiotic effectiveness; space doses 2+ hours apart)
● Immunosuppressant medications (caution in severely immunocompromised patients)

耐容上限摂取量： No established UL

サプリメントの摂取を開始する前に、必ず医療専門家にご相談ください。

Frequently Asked Questions

Does Lactobacillus rhamnosus GG help with Gut Immune Health?

Based on 20 studies with 3,000 participants, there is moderate evidence from clinical studies that Lactobacillus rhamnosus GG may support Gut Immune Health management. Our evidence grade is B (Good Evidence).

How much Lactobacillus rhamnosus GG should I take for Gut Immune Health?

Studies have used various dosages. A commonly studied range is 10-20 billion CFU/day. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Lactobacillus rhamnosus GG?

Reported side effects may include Mild bloating and gas (usually transient), Rare: bacteremia in severely immunocompromised patients, Generally very well tolerated. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for Lactobacillus rhamnosus GG and Gut Immune Health?

We rate the evidence as Grade B (Good Evidence). This rating is based on 20 peer-reviewed studies with 3,000 total participants. The overall direction of effect is positive.

Related Evidence

に関する他の成分： Gut Immune Health

Saccharomyces boulardii B

総合評価

Evidence Strength72%

High confidence

研究の内訳

RCT (1)Meta (0)Other (19)

代替成分との比較

この症状に対する他の成分との比較をご覧ください。

に関するすべての成分を見る： Gut Immune Health

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