Bacteria
Lactobacillus casei
Lactobacillus casei, now named Lacticaseibacillus casei, is a lactic acid bacterium found in the human gut and used in fermented milk drinks and cheese.
Also listed as Yakult, Lacticaseibacillus casei
What it is studied for
The strongest rated effects first. Bars show the size of the effect, the letter grades the evidence, and each rating lists the studies behind it.
All 7 rated effectsGrouped by health goal, with the publications behind each rating
Key studies
The most recent publications linked to Lactobacillus casei's ratings.
Impact of Lactocaseibacillus (Lactobacillus) paracasei sup. paracasei TISTR 2593 Probiotic Supplementation on the Gut Microbiome of Hypercholesterolemia Patients: A Randomized Controlled Trial2024Effects of Lactocaseibacillus paracasei subsp. paracasei NTU 101 on gut microbiota: a randomized, double-blind, placebo-controlled clinical study.2024A Pilot Study of the Effect of Lactobacillus casei Obtained from Long-Lived Elderly on Blood Biochemical, Oxidative, and Inflammatory Markers, and on Gut Microbiota in Young Volunteers2021Long-term administration of Lactobacillus casei Zhang stabilized gut microbiota of adults and reduced gut microbiota age index of older adults2020Probiotic Lactobacillus casei: Effective for Managing Childhood Diarrhea by Altering Gut Microbiota and Attenuating Fecal Inflammatory Markers2019
All 10 studiesEvery publication linked to Lactobacillus caseiWhy people take it
Gut Health25.7%
Immune Support25.5%
Essential Health23%
Detox10.6%
Energy6.2%
Women's Hormones2.7%
SuppCo community snapshot, 2026-09-28. Reasons for use are not evidence that it works.