15 Billion CFU / 30 Billion CFU per Serving. Shelf Stable Probiotics. Powered by Ganeden BC30 Probiotic. All Natural. No Chemicals. Why Caprobiotics Advanced™? It's the only brand of probiotics cultured in goat milk. It contains over 15 billion beneficial bacteria per serving. It includes naturally occurring vitamins minerals trace elements enzymes and proteins. . What are Probiotics? Probiotics are living helpful microorganisms. Also known as "good bacteria" when probiotics are introduced successfully into the intestinal tract in adequate amounts they have been shown to serve as home to billions of these good bacteria. Theses tiny friends work hard helping our immune systems function at peak levels.