http://articles.mercola.com/sites/articles/archive/2016/03/13/nourishing-gut-bacteria.aspx?x_cid=youtube Natural health expert and Mercola.com founder Dr. Joseph Mercola interviews Greg Leyer, a probiotic-dedicated manufacturer who has been passionate about probiotics and health for more than two decades.

probiotics

Source: Dr. Mercola and Greg Leyer on Probiotics (Full Interview)