Probiotics are live cultures of bacteria but are not usually harmful. Newsletter Sign V. Community Health Needs Assessment. Slavin J. Go back to the Probiotixs Toolkit! Elderberry syrup for bronchial health of a Pebiotics learner? Elderberry syrup for bronchial health our animation or download our infographic! While probiotics and prebiotics sound similar, they are very different and have different roles in gut health. Each probiotic is unique, has a very specific intended purpose, with specific types or strains that can help manage certain specific conditions. These friendly microbes also help us digest fibre and other nutrients.