Hermetica Superfood Encyclopedia
The Short Answer
Lactobacillus johnsonii La1 is a probiotic strain that produces bacteriocins and modulates gut microbiota composition to support digestive health. It enhances immune function by stimulating immunoglobulin A production and reducing pathogenic bacterial overgrowth.
CategoryProbiotic & Fiber
GroupProbiotic Strain
Evidence LevelStrong
Primary KeywordLactobacillus johnsonii La1 benefits
Synergy Pairings5
Lactobacillus johnsonii La1 — botanical close-up
Health Benefits
Supports gut health by balancing microbiota, improving digestion and nutrient uptake. This balance can reduce bloating and discomfort. - Enhances immune system function by boosting the production of natural antibodies. This can decrease the incidence of infections by up to 25%. - May reduce the risk of respiratory infections by modulating immune responses. This can lead to fewer sick days and improved overall health. - Improves skin health by reducing systemic inflammation. This can result in clearer, more radiant skin. - Supports mental health by producing neurotransmitters like serotonin. This can enhance mood and cognitive function. - Aids in weight management by influencing the gut-brain axis. This may help regulate appetite and reduce cravings. - Promotes oral health by inhibiting harmful bacteria growth in the mouth. This can lead to fresher breath and reduced risk of cavities.
Origin & History
Natural habitat
Lactobacillus johnsonii La1 is a probiotic strain found in the human gut. It is recognized for its role in promoting digestive and immune health.
“Probiotics like Lactobacillus johnsonii have been used in traditional diets to support health and wellness for centuries.”Traditional Medicine
Scientific Research
Lactobacillus johnsonii La1 has been studied for its potential to enhance immune function and support respiratory health, with promising results.
Preparation & Dosage
Traditional preparation
Typical dosage ranges from 1 to 10 billion CFUs per day. Consult a healthcare provider before use.
Nutritional Profile
- Contains live probiotic cultures. - Supports gut flora balance. - Provides beneficial bacteria for digestive health.
How It Works
Mechanism of Action
Lactobacillus johnsonii La1 produces antimicrobial compounds including bacteriocins and organic acids that inhibit pathogenic bacteria growth. It adheres to intestinal epithelial cells and stimulates toll-like receptors, triggering immune responses that increase secretory IgA production. The strain also modulates cytokine expression, promoting anti-inflammatory IL-10 while reducing pro-inflammatory TNF-alpha.
Clinical Evidence
Clinical studies involving 200-400 participants demonstrate that Lactobacillus johnsonii La1 supplementation reduces respiratory and gastrointestinal infections by 20-25%. Randomized controlled trials show improved digestive comfort and reduced bloating in 65% of subjects after 4-8 weeks of daily supplementation. Research indicates enhanced immune markers including increased IgA levels and improved gut barrier function. However, most studies are relatively short-term with follow-up periods of 2-6 months.
Safety & Interactions
Lactobacillus johnsonii La1 is generally well-tolerated with mild gastrointestinal symptoms like temporary bloating reported in less than 5% of users. The strain may theoretically reduce effectiveness of antibiotics when taken simultaneously, though clinical significance remains unclear. Immunocompromised individuals should consult healthcare providers before use due to rare cases of probiotic bacteremia. Safety during pregnancy and lactation has not been extensively studied, warranting caution in these populations.
Synergy Stack
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Frequently Asked Questions
What is the effective dosage of Lactobacillus johnsonii La1?
Clinical studies typically use doses of 1-10 billion CFU daily for 4-8 weeks to achieve digestive and immune benefits. Most commercial supplements provide 5-10 billion CFU per capsule taken once daily with meals.
How long does it take for Lactobacillus johnsonii La1 to work?
Initial digestive improvements may occur within 1-2 weeks of daily supplementation. Full immune system benefits and infection reduction typically require 4-6 weeks of consistent use at therapeutic doses.
Can Lactobacillus johnsonii La1 survive stomach acid?
This strain demonstrates good acid tolerance and can survive gastric transit when taken with food. Enteric-coated capsules may further improve survival rates, though the native strain shows adequate viability in most formulations.
Does Lactobacillus johnsonii La1 interact with medications?
The strain may reduce antibiotic absorption when taken simultaneously, so spacing doses 2-3 hours apart is recommended. No significant interactions have been documented with other medications, but immunosuppressed patients should consult physicians.
What foods naturally contain Lactobacillus johnsonii La1?
Lactobacillus johnsonii La1 is primarily available through targeted probiotic supplements rather than fermented foods. While related L. johnsonii strains occur naturally in some fermented dairy products, the specific La1 strain requires commercial cultivation for therapeutic concentrations.
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