10 Things to Know About Yogurt

Yogurt Nutrition and Healthy Bacterias

1. What those bacteria do
Lactobacillus bulgaricus and Streptococcus thermophilus, the two bacteria required by FDA standards for yogurt, are added to a warm milk bath, where they proceed to ferment and coagulate into a semisolid, producing tangy lactic acid along the way. Manufacturers can add other probiotics, like Lactobacillus acidophilus and Bifidobacterium, but they're not required or regulated.