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Probiotic · Lactobacillus acidophilus

Lactobacillus rhamnosus GR-1

Lactobacillus rhamnosus GR-1

This strain can migrate and colonize the vagina and urinary tract, secreting lactic acid and hydrogen peroxide to maintain a mildly acidic intimate flora.

Also known asLactobacillus rhamnosus

Marked asPrimarySupporting

Primary

Maintains a weakly acidic vaginal flora

After it enters the body it can be recovered from the vagina, where lactic acid keeps pH in a range less favorable to Candida and Gardnerella. Women's trials of recurrent discharge odor and vulvar discomfort use it more often. Once weak acidity is steadied, odor and sting are easier to space farther apart between flares.

Primary

Reduces urinary-tract irritant organisms

Some Lactobacillus rhamnosus strains produce hydrogen peroxide and directly restrain common urinary organisms such as Escherichia coli, in parallel with vaginal lactic acid, reducing bacterial load around the urethral opening. In people with recurrent urinary discomfort, what is felt is often a longer interval between burning and urinary-frequency irritation.

Primary

Support gut microbiota balance

After vaginal colonization this strain also shapes gut mucosal immunity; some trials watch systemic immunoglobulins and inflammation markers. Beyond a mildly acidic intimate environment, people with recurring urinary discomfort plus gut sensitivity often match gaps on this mucosal-immunity path; direction is easier to see after several continuous weeks.

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Diarrhoea

After it enters the body it can be recovered from the vagina, where lactic acid keeps pH in a range less favorable to Candida and Gardnerella. Women's trials of recurrent discharge odor and vulvar discomfort use it more often. Once weak acidity is steadied, odor and sting are easier to space farther apart between flares. People with sudden extra bowel movements and looser stools more often notice better form and a calmer abdomen after several continuous weeks.

Nasal congestion

After it enters the body it can be recovered from the vagina, where lactic acid keeps pH in a range less favorable to Candida and Gardnerella. Women's trials of recurrent discharge odor and vulvar discomfort use it more often. Once weak acidity is steadied, odor and sting are easier to space farther apart between flares. People who congest and drip when seasons change and keep blowing their nose more often notice clearer airways and fewer sneezes after several continuous weeks.

Irritable bowel syndrome

After vaginal colonization this strain also shapes gut mucosal immunity; some trials watch systemic immunoglobulins and inflammation markers. People who cycle between pain, bloating, and irregular stools more often notice a calmer abdomen and more regular bowel habits after several continuous weeks.

Antibiotic-associated diarrhoea

After it enters the body it can be recovered from the vagina, where lactic acid keeps pH in a range less favorable to Candida and Gardnerella. Women's trials of recurrent discharge odor and vulvar discomfort use it more often. Once weak acidity is steadied, odor and sting are easier to space farther apart between flares. People whose stools loosen while on antibiotics more often notice form and a calmer abdomen after several continuous weeks.

Atopic dermatitis (Eczema)

After it enters the body it can be recovered from the vagina, where lactic acid keeps pH in a range less favorable to Candida and Gardnerella. Women's trials of recurrent discharge odor and vulvar discomfort use it more often. Once weak acidity is steadied, odor and sting are easier to space farther apart between flares. People with recurring red, itchy folds at elbows and knees more often notice itch and skin integrity after several continuous weeks.

Allergic rhinitis

After it enters the body it can be recovered from the vagina, where lactic acid keeps pH in a range less favorable to Candida and Gardnerella. Women's trials of recurrent discharge odor and vulvar discomfort use it more often. Once weak acidity is steadied, odor and sting are easier to space farther apart between flares. People who sneeze and drip in pollen season more often notice nasal patency and eye itch after several continuous weeks.

Bacterial vaginosis

After vaginal colonization this strain also shapes gut mucosal immunity; some trials watch systemic immunoglobulins and inflammation markers. People with recurring discharge odour already in gynaecology follow-up more often notice longer gaps between flares after several continuous weeks.

With foodMost can be taken with food or after a meal; acid-resistant strains may also be taken on an empty stomach—go by stomach comfort
Best timeMorning, or at the same time each day
SolubilityInsoluble, Water-dispersible

Check the strain ID, CFU count, and storage conditions; different strains are not interchangeable.

General wellnessTypical daily intake for general wellness is often 1–10 billion CFU (check the strain ID)
Specific needsFor specific needs intake may be higher; typical adult daily safety upper limit is about 100 billion CFU. Do not exceed the labeled product limit on your own long term, and check the strain ID.

How oftenGenerally use daily as directed on the product label.

Cautions

Strains are not interchangeable; immunocompromised, critically ill, pregnant, or medicated people should ask a clinician first.

Interactions

  1. Immunosuppression, central lines, or critical illness (bacteremia risk)
  2. 活動性胰臟炎須問醫生
Common side effects

· Mild bloating, gastrointestinal discomfort, or stool changes may occur.

Rare but important

· People who are seriously ill or severely immunocompromised have a rare infection risk and should ask a doctor first.

Long-term dependenceNo typical addiction evidence; do not exceed labeled amounts on your own long term.

Sources

These are institution pages you can check—not a certification of this ingredient.

Medical disclaimerThis page is compiled by the HerbBB editorial team for general health information only. It is not a substitute for advice from a doctor, pharmacist, or other qualified clinician. If you have a health condition, take medicines, or are pregnant or breastfeeding, speak with a professional first.