








L. casei 431® has been tested in numerous clinical studies with subjects aged 5 months and upwards - with no reported side effects. The strain is considered safe based on its long history of use for human consumption.
L. casei 431® is, furthermore, approved by the Danish Veterinary and Food Administration for use in food products.
Human studies have shown that L. casei 431® alone or in combinations has a beneficial effect within gastrointestinal health.
Studies indicate that L. casei 431®:
You will find abstracts of all the studies, supporting the effects of L. casei 431® in our Selected Summaries below.
The many effects of the L. casei 431® strain makes it an excellent choice for a series of health areas, which you will also see from Chr. Hansen's probiotic product offerings handout (PDF, 461 KB).
Please contact our Sales Directors to learn more about your possibilities of using L. casei 431® in your probiotic product.


Learn more about why Chr. Hansen sells strains and not just species