Lacticaseibacillus paracasei
Lacticaseibacillus paracasei (the species, without a designated strain identifier) is a broadly distributed lactic acid bacterium found in fermented foods and the human gut. The evidence associated with this undesignated species entry is primarily technical, covering fermentation processes, probiotic stability during drying and storage, and food matrix applications, rather than human clinical research. Without a specific strain designation, efficacy and safety data from named strains such as L. paracasei Lpc-37 or ST11 cannot be attributed here. The species is widely used in fermented dairy and plant-based foods.
Where it's been studied Tags come from a conservative keyword scan of each paper's title, abstract, and summary. A tag is research coverage, not measured effect. How we classify this →
Share of this strain's 1,320 body-system-tagged papers that concern each system. Research coverage, not measured effect.
Symptoms in the research A tag means the paper's text names the symptom or condition — research coverage, not evidence of benefit. How we classify this →
Share of this strain's 476 symptom-tagged papers that mention each symptom or condition. Research coverage, not evidence of benefit.
+17 more symptoms
Strains of this species
10 strains of Lacticaseibacillus paracasei in the index, with 147 linked papers between them.
Lacticaseibacillus paracasei CASEI 431
Lacticaseibacillus paracasei Casei 431 (also known as Lactobacillus casei 431) is a well-characterized probiotic strain with a substantial food-science literature focused on its viability in fermented dairy products, enc…
Lacticaseibacillus paracasei LPC-S01
Lacticaseibacillus paracasei LPC-S01 (DSM 26760) is a strain originally isolated from the vaginal microbiota.
Lacticaseibacillus paracasei DG
Lacticaseibacillus paracasei DG (also known as L.
Lacticaseibacillus paracasei CNCM I-1572
Lacticaseibacillus paracasei CNCM I-1572 (commercially known as L.
Lacticaseibacillus paracasei CNCM I-1518
Lacticaseibacillus paracasei CNCM I-1518 is the strain deposited in the Danone-associated Institut Pasteur collection and used in fermented dairy products studied in the context of immune resilience.
Lacticaseibacillus paracasei KW3110
Lacticaseibacillus paracasei KW3110 is a lactic acid bacterium studied in the context of immune regulation and inflammatory processes.
Lacticaseibacillus paracasei HA-196
Lacticaseibacillus paracasei HA-196 has been evaluated in one randomized, placebo-controlled human trial, in combination with Bifidobacterium longum R0175, examining irritable bowel syndrome (IBS) symptoms.
Lacticaseibacillus paracasei IMC 502
Lacticaseibacillus paracasei IMC 502 is most frequently studied as part of the dual-strain combination SYNBIO (paired with L.
Lacticaseibacillus paracasei DT66
Lacticaseibacillus paracasei DT66 was one of the strains tested in a 2025 mouse study of microplastic exposure.
Lacticaseibacillus paracasei DCRFF018
Lacticaseibacillus paracasei DCRFF018 is an emerging probiotic strain with a very limited research record.
Research Study-type filters use AI-classified labels, audited but not guaranteed — check the paper itself before leaning on one. How we classify this →
3350 papers reference this strain in the probiotic database.
Discussion
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Citations
Selected papers that name this strain.
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[1]
Source →EVALUATION OF THE ANTIULCER AND ANTIDIARRHEAL POTENTIAL OF LACTIC ACID BACTERIA ISOLATED FROM YOGURT IN ULCER AND DIARRHEA INDUCED IN WISTAR RATS· Journal of Microbiology Biotechnology and Food Sciences · 2026
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[2]
PMID 41663412 →Efficacy of heat-treated Lacticaseibacillus paracasei PS23 for individuals with long coronavirus disease-19 syndrome: a double-blinded randomized control pilot study· Scientific Reports · 2026
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[3]
Source →The Immune-Boosting Potential of Lacticaseibacillus paracasei HY7017 in Adults with Suboptimal Immune Function: A Double-Blind, Randomized, Placebo-Controlled, Clinical Trial· Journal of Medicinal Food · 2026
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[4]
Source →Sakulora™ (Lacticaseibacillus paracasei strain Shidare) improves bowel function: A randomized, double-blind, placebo-controlled trial· Functional Foods in Health and Disease · 2026
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[5]
PMID 42254654 →The Use of Selected Strains of Probiotic Lactic Acid Bacteria to Eliminate Aflatoxin M1 From Brined White Cheese· International Journal of Food Science · 2026
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[6]
PMID 41980711 →Effects of fermented milk containing Lacticaseibacillus paracasei strain Shirota on constipation and gut microbiota: A randomised pilot study in Vietnam· Beneficial Microbes · 2026
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[7]
PMID 40144570 →Effects of Lacticaseibacillus paracasei K56 on perceived stress among pregraduate students: a double-blind, randomized, placebo-controlled trial· Frontiers in Nutrition · 2025
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[8]
PMID 40284867 →Lactobacillus paracasei Expressing Porcine Trefoil Factor 3 and Epidermal Growth Factor: A Novel Approach for Superior Mucosal Repair· Veterinary Sciences · 2025
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[9]
PMID 40182598 →Randomized study of Lacticaseibacillus fermented milk in Indonesian elderly houses: Impact on gut microbiota and gut environment· World Journal of Gastroenterology · 2025
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[10]
PMID 39940321 →Enhancement of Lower Limb Muscle Strength and Reduction of Inflammation in the Elderly: A Randomized, Double-Blind Clinical Trial Comparing Lacticaseibacillus paracasei PS23 Probiotic with Heat-Treated Supplementation· Nutrients · 2025