B. longum is an amazing probiotic that boosts immunity. This bacterium can improve allergies, Celiac disease and IBS, and has many other health benefits.
- Health Benefits of B. longum
- 1) B. longum Boosts Immunity
- 2) B. longum Relieves Inflammation
- 3) B. longum Ameliorates Allergies
- 4) B. longum is Beneficial in Celiac Disease
- 5) B. longum Lowers Cholesterol
- 6) B. longum May be Beneficial in Metabolic Syndrome
- 7) B. longum is Beneficial for the GI Tract
- 8) B. longum May Boost Cognitive Function
- 9) B. longum May Alleviate Anxiety
- 10) B. longum May Combat Depression
- 11) B. longum May be Beneficial in Schizophrenia
- 12) B. longum May be Beneficial for the Lungs
- 13) B. longum is Great for the Skin
- 14) B. longum is Beneficial for Liver Health
- 15) B. longum is Beneficial in Patients Receiving Hemodialysis
- 16) B. longum May be Beneficial for Bone Health
- 17) B. longum Combats Cancer
- Buy Bifidobacterium longum
Bifidobacterium longum is a Gram-positive, rod-shaped bacterium present in the human GI tract. It’s subspecies B. longum subsp. infantis is one of the earliest bacteria to colonize the infant gut. B. longum is often added to food products as a probiotic with various health benefits.
Previously considered separate species, B. infantis and B. suis were shown to be subspecies of B. longum (R).
Health Benefits of B. longum
1) B. longum Boosts Immunity
B. longum ssp. infantis triggers the anti-poliovirus response in infants (R).
B. longum ssp. infantis promotes immune responses in human volunteers (R).
B. longum ssp. infantis has strong immunomodulatory effect in the elderly, compared with other well-known commercial strains (R).
B. longum stimulates the immune functions in the elderly (R).
B. longum Combats Infections
B. longum reduces the incidence of influenza and fever in subjects with influenza vaccination (R).
B. longum fed infants showed a trend toward fewer respiratory tract infections (R).
B. longum protects mice against pneumonia-induced death by finely tuning the inflammatory response and speeding up the lung recovery (R).
B. longum ssp. infantis inhibits rotavirus infection in mice (R).
Oral administration of B. longum protects mice against gut-derived sepsis caused by P. aeruginosa (R).
B. longum improves survival in mice infected with Salmonella Typhimurium (R).
B. longum May be Beneficial Against Candida
B. longum inhibits the growth of C. albicans and other pathogenic bacteria (R).
2) B. longum Relieves Inflammation
B. longum ssp. infantis reduced proinflammatory markers in patients with ulcerative colitis, chronic fatigue syndrome and psoriasis (R).
B. longum reduces inflammation and improves symptoms in patients with ulcerative colitis (R).
B. longum significantly alleviates inflammation in mice with gout (R).
3) B. longum Ameliorates Allergies
Intake of yogurt or powder supplemented with B. longum alleviated subjective symptoms and affected blood markers of allergy in individuals with Japanese cedar pollinosis (R,R,R). Nasal symptoms such as itching, rhinorrhea, and blockage, as well as throat symptoms tended to be relieved with this probiotic (R).
Neonatal mother-to-offspring colonization with B. longum reduces allergic responses in mice (R).
4) B. longum is Beneficial in Celiac Disease
B. longum ssp. infantis reduces gastrointestinal symptoms in untreated Celiac disease (CD) patients (R).
Oral administration of B. longum ameliorates gliadin (gluten)-mediated perturbations in liver iron deposition and mobilization in rats with CD (R).
B. longum attenuates the production of inflammatory cytokines and the CD4+ T-cell mediated immune response, and protects newborn rats against gliadin (gluten)-induced enteropathy (R).
5) B. longum Lowers Cholesterol
B. longum reduced total cholesterol, particularly among subjects with moderate hypercholesterolemia (R).
B. longum supplementation significantly reduced total cholesterol, liver lipid deposition and adipocyte size, and positively affected liver and kidney function in hypercholesterolaemic rats (R).
6) B. longum May be Beneficial in Metabolic Syndrome
B. longum improves metabolic parameters in rats on a high-fat diet. This probiotic also reduced metabolic endotoxin concentrations and intestinal inflammation (R).
7) B. longum is Beneficial for the GI Tract
B. longum Improves Gut Microbiota
Enterotoxigenic Bacteroides fragilis (ETBF) strains have been suggested to be associated with acute and persistent diarrhea, inflammatory bowel disease and colorectal cancer. B. longum significantly decreased ETBF in humans (R).
B. longum modulates the intestinal environment and may improve the health care of elderly patients receiving enteral feeding (R).
B. longum maintains high Lactobacilli levels in mice (R).
B. longum ssp. infantis increases propionic, succinic acid and butyric acid in rats (R).
B. longum Improves Intestinal Inflammation
Administration of B. longum ssp. infantis significantly reduces the incidence of necrotizing enterocolits (NEC) and associated inflammation in rats (R).
B. longum improves colitis in mice (R).
B. longum Ameliorates IBS
B. longum ssp. infantis was shown to relieves many of the symptoms of IBS in a clinical trial involving women (R).
B. longum ameliorated ulcerative colitis symptoms in Japanese patients (R).
B. longum reduces visceral hypersensitivity in mice with IBS (R).
8) B. longum May Boost Cognitive Function
B. longum fed mice exhibit improved learning and memory (R).
9) B. longum May Alleviate Anxiety
10) B. longum May Combat Depression
Depression can be reversed in rats by administering B. infantis (R).
Chronic administration of B. infantis protects rats from depressive symptoms caused by stress induced through maternal separation (R).
11) B. longum May be Beneficial in Schizophrenia
Daily administration of B. longum reduced schizophrenic rearing behavior in mice, decreased the resting level of plasma corticosterone and the ratio of kynurenine to tryptophan (R).
12) B. longum May be Beneficial for the Lungs
B. longum treatment significantly improved lung injury following infection and sepsis in mice. This probiotic also decreased lung inflammatory responses (R).
13) B. longum is Great for the Skin
B. longum extract, when applied to the skin, was able to improve inflammation parameters, decrease skin sensitivity, increase skin resistance against physical and chemical aggression, and decrease skin dryness in volunteers with sensitive skin (R).
B. longum exerts photoprotective effects on the skin in mice (R).
14) B. longum is Beneficial for Liver Health
B. longum and fructo-oligosaccharides (FOS) significantly reduced AST, CRP, HOMA-IR, blood endotoxin and steatosis in patients with non-alcoholic steatohepatitis (NASH) (R).
B. longum and FOS improved biochemical parameters and neuropsychological tests in cirrhotic patients with minimal hepatic encephalopathy (MHE) (R).
15) B. longum is Beneficial in Patients Receiving Hemodialysis
Oral administration of B. longum decreases serum phosphate levels in patients receiving haemodialysis (HD) (R).
16) B. longum May be Beneficial for Bone Health
B. longum supplementation alleviated bone loss, and increased bone formation parameters and bone mass density in ovariectomized rats (R).
17) B. longum Combats Cancer
Dietary B. longum significantly inhibited colon and liver and small intestinal tumors in male rats. In female rats, dietary supplementation also suppressed mammary carcinogenesis (R).
Freeze-dried cultures of B. longum significantly suppressed colon tumor incidence and tumor multiplicity and also reduced tumor volume in rats (R).
- B. longum decreases Th1-related cytokines (T-bet, IL-2 and IFN-γ) and Th17-related cytokines (IL-12p40, RORγt, IL-17A, IL-21 and IL-23), and increases Treg-related molecules (Foxp3, IL-10 and TGF-β) (R,R,R,R,R,R).
- B. longum decreases IL-1α (R), IL-1β (R,R,R), IL-6 (R,R,R) and IL-18 (R).
- B. longum decreases TNF-α expression (R,R,R,R).
- B. longum increases IL-27 (R).
- B. longum decreases CD80 and CD40 (R), CXCL1 (R,R), CRP (R), iNOS and antimicrobial peptides Reg3b and Reg3g (R).
- B. longum increases Natural killer (NK) cell activity (R,R,R).
- B. longum increases serum IgA (R) and decreases IgG2a productions (R).
- B. longum increases IL-2, IL-12, and IL-18 (R).
- B. longum decreases IL-6 (R,R) and IL-8 (R).
- B. longum decreases TNF-α (R).
- B. longum both increases (R) and decreases IL-10 (R), and decreases (R,R) and increases IFN-γ (R).
- B. longum decreases IgE and improves the IgG2a/IgG1 ratio (R,R,R,R,R).
- B. longum increases IgA (R).
- B. longum increases Th1 cytokine and decreases Th2 cytokine production (R).
- B. longum decreases IL-4 (R,R) and IL-5 (R) (a case where IL-5 was increased: R).
- B. longum increases IL-10 (R), IL-12 (R,R) and TGF-β (R).
- B. longum increases (R,R) or decreases IFN-γ (R).
- B. longum suppresses MDC and TARC (R).
- B. longum increases CD4+CD25+Foxp3+ Treg cells (R).
In Coeliac Disease
- B. longum decreases TNF-α (R,R).
- B. longum increases NFκB (R).
- B. longum increases IL-10 (R).
- B. longum reduces CD3⁺ T (R), CD4+ and CD4+/Foxp3+ cells (R) and increased CD8+ T (R).
- B. longum increases MIP-1β (R).
B. longum is considered safe, but should be avoided in immunocompromised individuals, people with organ failure, and dysfunctional gut barrier, where probiotics may lead to infection.
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