The key is to select a product that contains specific strains of probiotics that have been clinically shown to offer health benefits. (blog.realdosenutrition.com)
Scientists are now identifying specific strains of good bacteria that treat all kinds of problems, from skin rashes to the flu. (www1.cbn.com)
The reason is that supplements are a controlled product, and contain specific strains, thus you can target your condition. (fermented-foods.com)