It provides a wide variety of strains which means you get the most bang for your bacteria buck. (healthyhelperblog.com)
By repeatedly introducing a pool of synthetic DNA to the cells, a huge variety of strains can be created quickly — each one containing genes tweaked in different ways. (newscientist.com)
Naturally fermented foods often contain a wider variety of strains than probiotic supplements, but supplementing «in addition» can be beneficial as well. (ohbabynutrition.com)