“Lactobacillus salivarius?”Here!
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As a supplement
Talk to your doctor or pharmacist.
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A species of Lactobacillus bacteria naturally found in the human gut and mouth, used as a probiotic strain in some supplements.
Why it’s used
Taken to support digestive or oral microbial balance, depending on the specific strain and product.
What the evidence says
Research on Lactobacillus salivarius is strain-specific and limited in scale; some small trials suggest possible effects on gut symptoms or oral bacteria, but findings vary by exact strain and have not been confirmed in large, well-controlled trials. NIH's Office of Dietary Supplements notes that probiotic effects generally do not generalize across species or strains.
Context
Where benefits have been reported, they are tied to the specific bacterial strain and dose used in that trial, not to Lactobacillus salivarius as a category.
Rumors
Lactobacillus salivarius can cause a mild rash or digestive discomfort.
Does not support — suggestivehealth and safety evidence
Studied in: healthy full-term infants aged 7 days to 2 months given Lactobacillus salivarius AP-32.
Measured as an outcome.
- A Three-Arm, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Safety of Lactobacillus salivarius AP-32 and Bifidobacterium animalis CP-9 Used Individually in Healthy Infants (Peer-reviewed) · Funded by Glac Biotech Co., Ltd., Tainan, Taiwan (industry) · No conflicts declared
Who’s saying this
- Probiotics.org — an individual: earns commission recommending probiotic supplements
How we know who this is
- “Probiotics.org was founded by Evan Jerkunica, a physicist.” (their page)
- “Probiotics.org makes some money from recommending top tier probiotic supplements.” (their page)
Lactobacillus salivarius supplements reduce bad breath and improve gum health.
Supports — suggestivehealth and safety evidence
Studied in: patients with oral malodor.
Measured as a biomarker.
- Lactobacillus salivarius WB21--containing tablets for the treatment of oral malodor: a double-blind, randomized, placebo-controlled crossover trial (Peer-reviewed) · Funding not checked
- Screening of heat-killed lactic acid bacteria based on inhibitory activity against oral bacteria and effects of oral administration of heat-killed Ligilactobacillus salivarius CP3365 on periodontal health in healthy participants: a double-blinded, randomized, placebo-controlled trial (Peer-reviewed) · Funding not checked
Who’s saying this
- Balance One Supplements — a brand: sells its own dietary supplements; family-owned
How we know who this is
- “Balance One Supplements is a family-owned business with a simple mission: To create clean, effective supplements that truly work—at a price that everyone can afford.” (their page)
Lactobacillus salivarius lowers LDL cholesterol and triglycerides.
Supports — suggestivehealth and safety evidence
Measured as a biomarker.
- Effect of Probiotic Lactobacillus salivarius UBL S22 and Prebiotic Fructo-oligosaccharide on Serum Lipids, Inflammatory Markers, Insulin Sensitivity, and Gut Bacteria in Healthy Young Volunteers: A Randomized Controlled Single-Blind Pilot Study (Peer-reviewed) · Funding not checked
- Effect of probiotic Lactobacillus on lipid profile: A systematic review and meta-analysis of randomized, controlled trials (Peer-reviewed) · Funding not clearly stated · No conflicts declared
Who’s saying this
- Balance One Supplements — a brand: sells its own dietary supplements; family-owned
How we know who this is
- “Balance One Supplements is a family-owned business with a simple mission: To create clean, effective supplements that truly work—at a price that everyone can afford.” (their page)
Taking Lactobacillus salivarius helps prevent and reduce acne.
Supports — suggestivehealth and safety evidence
Studied in: adults with mild to moderate acne.
Measured as an outcome.
- Facial Acne: A Randomized, Double-Blind, Placebo-Controlled Study on the Clinical Efficacy of a Symbiotic Dietary Supplement (Peer-reviewed) · Funding not checked
- New Approach in Acne Therapy: A Specific Bacteriocin Activity and a Targeted Anti IL-8 Property in Just 1 Probiotic Strain, the L. salivarius LS03 (Peer-reviewed) · Funding not checked
- Efficacy of Probiotic Supplements and Topical Applications in the Treatment of Acne: A Scoping Review of Current Results (Peer-reviewed) · Funding not checked
Who’s saying this
- Wellbeing Nutrition — a brand: sells its own nutritional supplements
How we know who this is
- “Download the Wellbeing Nutrition App.” (their page)
- “We are not just another supplement company.” (their page)
Lactobacillus salivarius fights harmful bacteria by producing its own antibiotics.
Supports — suggestivehealth and safety evidence
What was measured is not yet noted.
- New Approach in Acne Therapy: A Specific Bacteriocin Activity and a Targeted Anti IL-8 Property in Just 1 Probiotic Strain, the L. salivarius LS03 (Peer-reviewed) · Funding not checked
Who’s saying this
- Probiotics.org — an individual: earns commission recommending probiotic supplements
How we know who this is
- “Probiotics.org was founded by Evan Jerkunica, a physicist.” (their page)
- “Probiotics.org makes some money from recommending top tier probiotic supplements.” (their page)