SAFE
Bifidobacterium lactis
Bifidobacterium animalis subsp. lactis
Likely Safe
V1 Verified
Probiotics
PubMed Studies
219
About
B. lactis (BB-12) is one of the most documented probiotic strains. Used for bowel regularity, immune function, and respiratory infections.
How it works (mechanism of action)
Colonises intestinal epithelium producing short-chain fatty acids, bacteriocins, and hydrogen peroxide inhibiting pathogen growth. Activates TLR2/TLR4 on dendritic cells modulating regulatory T-cell differentiation. Strengthens tight junctions via claudin and occludin upregulation.
👥 Safety by Population
🚫 Contraindications & Warnings
Very safe. GRAS. Widely used in yogurt and dairy products.
Products containing this ingredient (3)
Dear-Natura Probiotic 5
2 MG Capsule
Holista Probiotic 10 Billion
3 MG Capsule
Ultiboost Probiotic Daily
3 MG Capsule
🏷️ Other Names
Bifidobacterium animalis subsp. lactis