Lactobacillus rhamnosus is a type of bacteria that is known for its probiotic properties, which make it useful for promoting digestive health and overall wellness. However, there are a number of synonyms for this particular strain of lactobacillus that may be of interest to those who are looking to incorporate this type of bacteria into their diet. Some common synonyms for lactobacillus rhamnosus include L. rhamnosus GG, LGG, and ATCC 53103. These different names refer to the same strain of bacteria, so individuals can use them interchangeably in order to find products that contain this beneficial microorganism.