GO Antibiotic Support is specifically designed to be taken during and after antibiotic medication to maintain and restore good gut bacteria. Medications such as antibiotics kill bad bacteria, but also the good bacteria living in our digestive tract. Having high levels of good bacteria in the gut is essential for maintaining a healthy immune system and all round good health. GO Antibiotic Support contains HOWARU Restore �®, a clinically proven blend of 5 heat stable and stomach acid resistant probiotic strains totalling 40 billion live cells.