Lactobacillus paracasei, L. CASEI 431^®

Lactobacillus paracasei, L. CASEI 431^® (hereafter referred to by use of the trademark L. CASEI 431^®) has been studied in depth and is a well-documented probiotic Lactobacillus strain. In numerous studies, it has been associated with supporting the immune system^{1, 2, 3, 4} and digestive health.⁵

Chr. Hansen Lactobacillus paracasei, L. CASEI 431^®

The L. CASEI 431^® probiotic strain was originally isolated from a healthy baby’s stool sample. L. CASEI 431^® survives the journey through the acidic digestive system to the intestine where the bacteria may play a role in supporting health. It has been used in food and dietary supplements since 1995.

The L. CASEI 431^® strain has been described in around 60 scientific publications, of which more than 20 are publications of human scientific studies. The reports associate the L. CASEI 431^® probiotic strain with supporting immune health in adults^{1, 2, 3, 4} and digestive health in babies.⁵

Safety

Lactobacillus paracasei, L. CASEI 431^® is safe for human consumption; it has been granted QPS (Qualified Presumption of Safety) status from EFSA in Europe.⁶ It has been tested in human scientific studies at levels of up to at least 50 billion CFU/day, alone and in combination with Bifidobacterium, BB-12^®, with no safety issues.

L. CASEI 431^® is a registered trademark of Chr. Hansen A/S.
The article is provided for informational purposes regarding probiotics and is not meant to suggest that any substance referenced in the article is intended to diagnose, cure, mitigate, treat, or prevent any disease.