Probiotic

Usana probiotics.. Usana probiotics contains BB12 and LGG which are similar to the good bacteria that are part of a natural gut flora (primarily found in the colon). Dozens of studies on these strains have demonstrated benefits for digestive health and immunity. These strains are so effective, in part, because they survive transit through the harsh, acidic environment of the stomach to colonize the intestines. Reaching the intestines alive is essential for getting results from your probiotic.