L. fermentum is one of the less studied probiotic strains that shows many promising health benefits, such as boosting the immune response, improving liver health and lowering cholesterol levels.
- Health Benefits of L. fermentum
- 1) L. fermentum is an Antioxidant
- 2) L. fermentum Increases Nutrient Bioavailability
- 3) L. fermentum Lowers Cholesterol
- 4) L. fermentum Boosts Immunity
- 5) L. fermentum May Alleviate Inflammation
- 6) L. fermentum May Increase Lactose Tolerance
- 7) L. fermentum is Beneficial for the GI Tract
- 8) L. fermentum May Improve Mood and Cognitive Function
- 9) L. fermentum May Protect Against Liver Damage
- 10) L. fermentum May Combat Urogenital Infections
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- Health Tools I Wish I Had When I Was Sick
Lactobacillus fermentum is a Gram-positive lactic acid bacterium, commonly found in fermenting animal and plant material. It is also commonly found as a component of the human microbiota.
Health Benefits of L. fermentum
1) L. fermentum is an Antioxidant
2) L. fermentum Increases Nutrient Bioavailability
3) L. fermentum Lowers Cholesterol
L. fermentum modestly improved cholesterol in a clinical study (R).
4) L. fermentum Boosts Immunity
L. fermentum Combats Viruses
Oral administration of L. fermentum potentates the immunologic response of an anti-influenza vaccine and may provide enhanced systemic protection by increasing the Th1 response and virus-neutralizing antibodies. The incidence of an influenza-like illness during 5 months after vaccination was decreased in the group that consumed this probiotic (R,R).
L. fermentum Combats Bacteria
L. fermentum suppresses the growth of staphylococci, enterotoxigenic enterobacteria and Candida albicans (R). It was shown to combat S. aureus and P. aeruginosa, common pathogens in hospital-acquired infections (R).
L. fermentum alleviates pain and reduces the load of Staphylococcus in the breastmilk of women suffering from painful breastfeeding (R).
L. fermentum Alleviates Infections
L. fermentum reduces the duration and severity of respiratory illness in highly trained distance runners (R).
L. fermentum reduced the severity of gastrointestinal and respiratory illness symptoms in male but not female cyclists (R).
L. fermentum May be Beneficial in Aging
L. fermentum alleviates immunosenescence by enhancing antioxidant enzyme activities, and was shown to reduce E. coli infection in aging mice (R).
5) L. fermentum May Alleviate Inflammation
L. fermentum can reduce inflammation of the upper small intestine in mice (R).
L. fermentum ameliorates the inflammatory response in colitic rats (R).
6) L. fermentum May Increase Lactose Tolerance
L. fermentum degrades αS1-casein and lowers the recognition and the binding of this casein to IgE from the blood of patients with cow’s milk allergy (R).
7) L. fermentum is Beneficial for the GI Tract
L. fermentum ameliorates ethanol-induced gastric injury in mice (R).
8) L. fermentum May Improve Mood and Cognitive Function
L. fermentum reduces anxiety-like behavior and alleviates the ampicillin-induced impairment in memory retention in mice (R).
9) L. fermentum May Protect Against Liver Damage
L. fermentum enhances the protective effect of Ssanghwa-tang (SHT), a traditional herbal medicine formula, on rat liver (R).
10) L. fermentum May Combat Urogenital Infections
L. fermentum inhibits both C. albicans and C. glabrata, the two most common pathogenic yeasts of humans, in the laboratory (R).
- L. fermentum increases the activity of antioxidant enzymes superoxide dismutase, catalase, and glutathione peroxidase (R).
- L. fermentum increases the IgG2a response over IgG1, indicating a Th1-biased humoral response (R,R).
- L. fermentum increases IgA (R,R,R), and decreases IgE (R).
- L. fermentum increase in the proportion of natural killer (NK) cells (R).
- L. fermentum increases IFN-γ (R,R,R,R) (a study where it was decreased: (R)).
- L. fermentum increases IL-2 (R,R) and decreases IL-6 (R) and IL-8 (R).
- L. fermentum both increases (R) and decreases IL-4 (R,R).
- L. fermentum both increases (R,R,R) and decreases IL-10 (R,R).
- L. fermentum decreases IL-1β, TNF-α, and iNOS (R,R,R).
- L. fermentum decreases Rac, p38, and NF-kappaB activation (R).
- L. fermentum increases occludin, EGF, EGFR, VEGF, Fit-1, IκB-α, nNOS, eNOS, Mn-SOD, Cu/Zn-SOD, CAT (R).
- L. fermentum increases PGE2 (R,R).
- L. fermentum stimulates mucosal immunity, by stimulating tracheal lymphocyte proliferation and increasing lung macrophage population (R).
- L. fermentum elevates mineralocorticoid and N-methyl-D-aspartate receptors in the hippocampus after ampicillin treatment (R).
However, in immunocompromised individuals, it can lead to bacteremia (R). Use of probiotics in patients with organ failure, immunocompromised status, and dysfunctional gut barrier mechanisms should be avoided.
A strain of L. fermentum AGR1487 causes a pro-inflammatory response in the host and should be avoided (R).
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These products contain L. fermentum:
Health Tools I Wish I Had When I Was Sick
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