Probiotics in a bottle (IMAGE) UiT The Arctic University of Norway Caption Five drops equals 2 billion beneficial bacteria. The numbers are staggering and the probiotics beneficial for premature babies. Credit UiT The Arctic University of Norway/Jan Fredrik Frantzen Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.