
Definition
Streptococcus thermophilus is one of the two traditional yogurt starter cultures (alongside Lactobacillus bulgaricus), safely used in food production for thousands of years despite its name containing 'Streptococcus' – it is not related to harmful streptococcal bacteria
What It Does
- S. thermophilus ferments lactose into lactic acid, transforming milk into yogurt
- S. thermophilus breaks down lactose before consumption, benefiting those with lactose sensitivity
- S. thermophilus produces folate and other B vitamins during fermentation
- S. thermophilus creates yogurt's characteristic tang and smooth texture
Health Benefits
S. thermophilus Benefits
- S. thermophilus helps with breaking down lactose for easier dairy digestion
- S. thermophilus helps with essential yogurt fermentation and texture development
- S. thermophilus helps with producing lactic acid that supports gut health
- S. thermophilus helps with producing b vitamins during fermentation
- S. thermophilus helps with safe consumption with a long history in fermented dairy
Found In
S. thermophilus in DEE Yogurt
Streptococcus thermophilus is contained in DEE Yogurt
S. thermophilus is essential to DEE Yogurt's production. It's the primary driver of our fermentation process, working with L. bulgaricus to transform milk into yogurt. Beyond its role in production, it remains active in the finished product, continuing to support lactose digestion when you eat it. Fresh daily production means peak 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 S. thermophilus in Every Cup
All our yogurt products contain S. thermophilus 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.
Ready to Try S. thermophilus?
Made fresh daily in Phuket with all 11 live probiotic cultures.
Order Now