Lactobacillus
... Though good bacteria such as Lactobacillus casei can help us and can even be use as a defense. ... Lactobacillus . ... Lactobacillus casei was at one point isolated from humans and was found to endure the acetic conditions in the abdomen. This bacterium can typically be found in: In our bodies: Fermenting products: Mouth Intestinal tract Vagina As well in the environment Yogurt Any milk products Vegetables Meat Lactobacillus .