Hermetica Superfood Encyclopedia
The Short Answer
Lactobacillus paracasei Lpc-37 is a probiotic strain that produces beneficial metabolites including short-chain fatty acids and bacteriocins. It supports digestive health by strengthening the intestinal barrier and modulating immune responses through interaction with Peyer's patches in the gut.
CategoryProbiotic & Fiber
GroupProbiotic Strain
Evidence LevelStrong
Primary KeywordLactobacillus paracasei Lpc-37 benefits
Synergy Pairings3

Lactobacillus paracasei Lpc-37 — botanical close-up
Health Benefits
Supports digestive health and regularity by promoting a balanced gut microbiome, which enhances nutrient absorption. - Enhances immune response by stimulating the production of antibodies and reducing inflammation. - May reduce symptoms of allergies by modulating immune system responses and reducing histamine levels. - Supports skin health by reducing inflammation and promoting a balanced microbiome. - Aids in weight management by improving metabolic rate and reducing fat storage. - Supports mental health by producing neurotransmitters that enhance mood and reduce anxiety. - Improves lactose digestion, making dairy products more tolerable for those with lactose intolerance.
Origin & History

Natural habitat
Lactobacillus paracasei Lpc-37 is a probiotic strain isolated from dairy products. It is recognized for its role in enhancing gut health and immunity.
“Fermented dairy products containing probiotics like Lactobacillus paracasei have been consumed for centuries for their health benefits.”Traditional Medicine
Scientific Research
Lactobacillus paracasei Lpc-37 has been studied for its potential to improve gut health and enhance immune function, though more research is needed.
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 paracasei Lpc-37 adheres to intestinal epithelial cells via surface proteins and produces short-chain fatty acids (SCFAs) including acetate, propionate, and butyrate. These metabolites strengthen tight junction proteins like claudin-1 and occludin, enhancing intestinal barrier function. The strain also stimulates dendritic cells in Peyer's patches, promoting regulatory T-cell differentiation and balanced Th1/Th2 immune responses.
Clinical Evidence
Clinical studies on Lactobacillus paracasei Lpc-37 include randomized controlled trials with 50-200 participants examining digestive and immune outcomes. Research shows improvements in stool consistency scores and reduction in gastrointestinal discomfort within 2-4 weeks of supplementation. Some studies report decreased inflammatory markers like TNF-α and IL-6, though sample sizes remain relatively small. Evidence quality is moderate, with most studies lasting 4-12 weeks.
Safety & Interactions
Lactobacillus paracasei Lpc-37 is generally well-tolerated with minimal side effects, occasionally causing mild bloating or gas during initial use. No significant drug interactions have been reported, though individuals on immunosuppressive medications should consult healthcare providers before use. The strain is contraindicated in severely immunocompromised patients or those with central venous catheters due to rare bacteremia risk. Safety during pregnancy and lactation has not been extensively studied.
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Frequently Asked Questions
What is the recommended dosage for Lactobacillus paracasei Lpc-37?
Typical dosages range from 1-10 billion CFU daily, with most studies using 5 billion CFU. The strain should be taken with food to enhance survival through stomach acid, and benefits typically appear after 2-4 weeks of consistent use.
Can Lactobacillus paracasei Lpc-37 help with lactose intolerance?
Yes, this strain produces β-galactosidase enzyme which helps break down lactose in the small intestine. Studies show it can reduce lactose intolerance symptoms like bloating and diarrhea when taken regularly with dairy products.
How long does Lactobacillus paracasei Lpc-37 survive in the gut?
The strain can temporarily colonize the intestinal tract for 1-2 weeks after discontinuation, but does not permanently establish itself. Regular supplementation is needed to maintain therapeutic levels and continued benefits.
Does Lactobacillus paracasei Lpc-37 need refrigeration?
While refrigeration extends shelf life, many Lpc-37 formulations are shelf-stable at room temperature for 12-24 months. Check product labeling for specific storage requirements, as freeze-dried formulations are typically more heat-resistant than liquid forms.
Can children take Lactobacillus paracasei Lpc-37 supplements?
The strain is generally safe for children over 2 years old, with pediatric studies using 1-5 billion CFU daily. However, dosing should be adjusted based on body weight and medical supervision is recommended for children under 12 years old.

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