Lactobacillus johnsonii Probiotics Strain | 200 Billion CFU per Gram | Clinically Studied for Gut & Immunity Support
Lactobacillus johnsonii is a common probiotic widely found in the human gastrointestinal tract, offering various health benefits, including regulating gut microbiota, enhancing immune function, and improving metabolic health. It plays a particularly important role in the gut and female reproductive system. Our product is made from Lactobacillus johnsonii using a high-density cultivation fermentation process and low-temperature freeze-drying protection technology. The freeze-dried bacterial powder includes the strain, protective agent, and diluent carriers.

Key functions and benefits
Immune Regulation
Stimulates the secretion of sIgA, enhancing respiratory and intestinal mucosal defenses, and reducing the frequency of seasonal allergy symptoms.
Gut Health
Repairs intestinal tight junction proteins, improves issues related to irritable bowel syndrome (IBS) and bloating, inhibits the colonization of pathogenic bacteria (such as Helicobacter pylori), and balances the microbiota.
Metabolic Support
Helps reduce LDL cholesterol levels.
Why choose our Lactobacillus johnsonii strain?
Advanced Delivery Technology for Maximum Efficiency
We have addressed the primary challenge of probiotics by ensuring their survival through stomach acid. Our microencapsulation technology protects the bacteria, ensuring that 90% reach the intestines, compared to less than 10% in standard probiotics.
Clinically Proven with Significant Efficacy
Our Lactobacillus reuteri product has undergone extensive clinical research and practical validation. Numerous studies show its remarkable effectiveness in improving gut health, effectively relieving symptoms like constipation, diarrhea, and other gastrointestinal discomforts, and restoring normal digestive and elimination functions. Additionally, it significantly boosts immune function and reduces the risk of illness.
Trustworthy Excellence in Quality
√ Manufactured in FDA-registered, GMP-certified facilities.
√ Third-party testing for purity and potency (COA available).
√ Non-GMO, vegan, gluten-free, and dairy-free powder formula.
√ No unnecessary fillers, only pure and effective probiotics.

Applications
Dietary Supplement Applications
High-Potency Probiotic Capsules – High-potency probiotic capsules for enhanced gut health.
Women's Probiotics – Prevents vaginal infections and maintains urinary tract health.
Functional Food Innovations
Fermented Probiotic Yogurt – Enhances lactose tolerance and improves calcium absorption.
Probiotic Chocolate/Energy Bars – Convenient gut health solutions for on-the-go.
Room Temperature Probiotic Juice – Supports children's immune health.
Medical Health Applications
Helicobacter Pylori Adjunct Therapy – Reduces antibiotic side effects and improves eradication rates.
Radiation Therapy Gut Protector – Alleviates radiation-induced diarrhea.
Scientific Clinical Research
Immune Regulation Function:
Respiratory Infection Prevention – In a sample of 326 healthy adults (6 months of intervention), the incidence of cold was reduced by 41% (compared to the placebo group), and NK cell activity increased by 28.5%.
Helicobacter Pylori Adjunct Therapy:
Synergistic Effect with Triple Therapy – By inhibiting H. pylori urease activity, the eradication rate increased by 19.3%, and diarrhea-related side effects were reduced by 62%.
Intestinal Barrier Repair:
Leaky Gut Improvement – The expression of tight junction protein ZO-1 increased by 3.2 times, and serum LPS levels decreased by 39%.
Metabolic Syndrome Intervention:
Non-Alcoholic Fatty Liver Improvement – By regulating the bile acid-FXR pathway, after 12 weeks of intervention, liver fat content decreased by 22.7%, and the insulin resistance index improved by 31%.
Atopic Dermatitis Relief:
Infant Eczema Intervention – The skin Staphylococcus aureus colonization decreased by 10³ CFU/cm².
Technical Specifications
|
Strain Name |
Lactobacillus johnsonii BS15 |
|
Viable Count |
≥2×1011 CFU/g |
|
Moisture |
≤5.0% |
|
Packing |
500g/bag, 1kg/bag, 5kg/bag or customized |
Production Process

FAQ
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