
Definition
Lactobacillus delbrueckii subsp. bulgaricus is one of the two essential bacteria that define traditional yogurt (alongside Streptococcus thermophilus), first identified in Bulgaria and used by shepherds for centuries to make yogurt using naturally occurring cultures
What It Does
- L. bulgaricus works with S. thermophilus in a symbiotic fermentation partnership
- L. bulgaricus breaks down milk proteins, releasing amino acids that other bacteria need
- L. bulgaricus produces lactic acid that preserves yogurt naturally and supports digestive health
- L. bulgaricus creates the smooth, thick texture that defines quality yogurt
Health Benefits
L. bulgaricus Benefits
- L. bulgaricus helps with creating the smooth, creamy texture of yogurt
- L. bulgaricus helps with developing the characteristic tangy flavor
- L. bulgaricus helps with working with s. thermophilus in a beneficial partnership
- L. bulgaricus helps with producing lactic acid that supports digestive health
- L. bulgaricus helps with safe use in traditional yogurt for centuries
Found In
L. bulgaricus in DEE Yogurt
Lactobacillus delbrueckii subsp. bulgaricus is contained in DEE Yogurt
L. bulgaricus is the backbone of DEE Yogurt's texture and taste. It works with S. thermophilus and our 9 other strains to create yogurt that's not only delicious but also packed with probiotic benefits. The strain remains active in the finished yogurt, continuing to provide benefits when consumed. Daily production and cold-chain handling ensure optimal activity.

Written by
Ying Ubonkarn
Founder & Probiotic Yogurt Specialist
Ying has been crafting fresh probiotic yogurt in Phuket for over 8 years. Every batch is made under her supervision using pure Thai milk and 11 carefully selected probiotic cultures.
About Ying →Explore More
Explore All 11 Probiotic Strains
Each strain in DEE Yogurt plays a unique role in supporting your gut health.
View All StrainsGet L. bulgaricus in Every Cup
All our yogurt products contain L. bulgaricus plus 10 other live probiotic cultures. Available in Regular, Greek, and Grass-Fed varieties.
Free delivery in Phuket. Weekly cold-chain shipping to Bangkok, Chiang Mai, and more.