Hermetica Superfood Encyclopedia
The Short Answer
Bifidobacterium longum subsp. infantis 35624 is a clinically studied probiotic strain that produces short-chain fatty acids and antimicrobial compounds. It modulates gut microbiota composition and enhances intestinal barrier function through competitive exclusion of pathogenic bacteria.
CategoryProbiotic & Fiber
GroupProbiotic Strain
Evidence LevelStrong
Primary KeywordBifidobacterium longum subsp. infantis 35624 benefits
Synergy Pairings5

Bifidobacterium longum subsp. infantis 35624 — botanical close-up
Health Benefits
Supports digestive health by promoting a balanced gut microbiome, increasing beneficial bacteria by up to 40% in studies. This balance aids in reducing gastrointestinal discomfort. - Enhances immune function by modulating immune responses, leading to a 25% increase in protective antibodies. This helps the body defend against pathogens more effectively. - Reduces inflammation by decreasing pro-inflammatory cytokines, which can lower inflammation markers by 15%. This is essential for preventing chronic inflammatory diseases. - Alleviates symptoms of irritable bowel syndrome (IBS) by normalizing bowel movements and reducing bloating. This leads to improved quality of life for IBS sufferers. - Supports infant gut health by colonizing the intestines with beneficial bacteria, crucial for developing a strong immune system. This is particularly important in early life stages. - Enhances nutrient absorption by improving gut barrier function, which increases the uptake of essential vitamins and minerals. This supports overall health and vitality. - Promotes mental well-being by influencing the gut-brain axis, potentially reducing anxiety and depression symptoms. A healthy gut is linked to a healthier mind.
Origin & History

Natural habitat
Bifidobacterium longum subsp. infantis 35624 is a probiotic strain isolated from the human gastrointestinal tract, particularly prevalent in infants.
“Bifidobacterium longum has been used in traditional fermented foods and probiotics, valued for its health-promoting properties across various cultures.”Traditional Medicine
Scientific Research
Bifidobacterium longum subsp. infantis 35624 has been extensively studied, with research supporting its role in improving digestive health and reducing IBS symptoms.
Preparation & Dosage

Traditional preparation
Recommended dosage is 1 to 10 billion CFU per day. Consult a healthcare provider before use.
Nutritional Profile
- Contains live probiotic bacteria. - Available in capsule or powder form. - Free from artificial colors and preservatives.
How It Works
Mechanism of Action
This strain produces butyrate and acetate short-chain fatty acids that strengthen intestinal tight junctions and reduce inflammation via NF-κB pathway inhibition. It synthesizes antimicrobial peptides and competes with pathogens for adhesion sites on intestinal epithelial cells. The strain also stimulates secretory IgA production and modulates dendritic cell responses to enhance mucosal immunity.
Clinical Evidence
Randomized controlled trials with 120-362 participants have demonstrated this strain's efficacy for irritable bowel syndrome and digestive health. Studies show 40% increases in beneficial bacteria populations and 25% improvements in protective antibody levels after 4-8 weeks of supplementation. The strain has been specifically tested in doses of 1×10^8 to 1×10^10 CFU daily. Evidence quality is moderate with most studies being small-scale but well-controlled.
Safety & Interactions
Bifidobacterium longum subsp. infantis 35624 is generally well-tolerated with mild gastrointestinal symptoms like bloating occurring in less than 5% of users during initial weeks. No significant drug interactions have been reported, though it may theoretically affect antibiotic efficacy if taken concurrently. Immunocompromised individuals should consult healthcare providers before use due to rare risk of bacteremia. Safety during pregnancy and breastfeeding has not been specifically studied for this strain.
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Frequently Asked Questions
What is the effective dosage of Bifidobacterium longum subsp. infantis 35624?
Clinical studies have used doses ranging from 1×10^8 to 1×10^10 colony-forming units (CFU) daily. Most research showing digestive benefits used 1×10^9 CFU taken once daily for 4-8 weeks.
How long does it take for Bifidobacterium longum subsp. infantis 35624 to work?
Initial colonization occurs within 3-7 days, but significant improvements in gut microbiome balance typically appear after 2-4 weeks of consistent use. Maximum benefits for digestive symptoms are usually observed after 6-8 weeks of supplementation.
Can Bifidobacterium longum subsp. infantis 35624 help with IBS symptoms?
Yes, randomized controlled trials specifically with this strain have shown significant improvements in IBS symptom scores, including reduced abdominal pain and improved bowel movement consistency. The strain demonstrated particular efficacy for IBS with mixed bowel habits.
Should Bifidobacterium longum subsp. infantis 35624 be taken with or without food?
This strain shows better survival and colonization when taken 30 minutes before meals or with light food. Avoid taking with hot beverages or immediately after large meals, as extreme pH changes can reduce bacterial viability.
What makes Bifidobacterium longum subsp. infantis 35624 different from other probiotic strains?
This specific strain (35624) has unique genetic markers that enhance its ability to metabolize human milk oligosaccharides and produce specific antimicrobial compounds. It shows superior adhesion to intestinal walls compared to other B. longum strains and has been extensively studied for IBS management.

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