What Types of Bacteria are Found in Yogurt? (Free Table)

A close-up of yogurt showing the beneficial types of bacteria it contains.
A list of good bacteria found in yogurt could be likened to a garden full of beautiful and vibrant flowers: each individual strain or species of bacteria contributing to the lush vibrancy of the ecosystem.

It’s no secret that yogurt is a delicious and nutritious way to start your day. But did you know that the secret to yogurt’s health benefits lies in the bacteria found inside?

As it turns out, there are several types of beneficial bacteria which can be found in yogurt, allowing it to provide far more nutritional benefits than other dairy products. Let’s take a closer look.

Yogurt BacteriaDescription
Bifidobacterium regularisWith its distinctive irregular shape, B. regularis is a hardy bacterium found in fermented milk products such as yogurt.
Bifidobacterium bifidumB. bifidum is a probiotic bacterium that colonizes the intestine and helps populate it with beneficial microbes.
Bifidobacterium lactisThis rod-shaped bacterium is a common inhabitant of the human gut, where it helps to support healthy digestion.
Bifidobacterium longumA sturdy microbial species that prefers an alkaline environment, B. longum is most often found in the small intestine.
Enterococcus faeciumE. faecium is a species of lactic acid bacteria that has been extensively studied for its probiotic properties.
Lactobacillus acidophilusThis well-known species of lactic acid bacteria is found in both dairy products and the human digestive tract.
Lactobacillus caseiAn essential component of many fermented dairy products, L. casei is a gram-positive bacterium known for its probiotic effects.
Lactobacillus delbrueckiiThis gram-positive species is often found in yogurt and other fermented dairy products, where it helps to create a unique flavor.
Lactobacillus johnsoniiA common inhabitant of the human digestive system, L. johnsonii has been studied for its potential benefits to overall health.
Lactobacillus gasseriA gram-positive species that is often found in the large intestine, L. gasseri plays a role in maintaining the health of the microbiome.
Lactobacillus plantarumThis versatile species is widely distributed across nature, and can be found in many foods, including yogurt.
Lactobacillus rhamnosusThis probiotic bacterium is found in the human gut and helps support healthy digestion.
Saccharomyces boulardiiThis yeast species is often used as a probiotic supplement, and may help to prevent gastrointestinal issues.