Lactobacillus delbrueckii subsp. bulgaricus is a bacterial subspecies traditionally isolated from European yogurts. Lactobacillus bulgaricus GLB44 differs from the rest of the L. bulgaricus strains as it was isolated from the leaves of Galanthus nivalis (snowdrop flower) in Bulgaria, becoming the only known strain of this subspecies that has vegan origin (not from yogurt) available as a commercial probiotic. Probiotics are health promoting bacteria which, when consumed in adequate amounts, confer a benefit on the host, normally associated with positive effects on the digestive and immune systems, and are usually prescribed during or after antibiotic treatment to alleviate the symptoms of antibiotic-associated diarrhea. Probiotics are also associated with decreasing of the risk of traveler’