The reason is that it kills the pathogens, not just bacteria but also fungus and viruses too without harming beneficial gut flora. (thehealthyhomeeconomist.com)
Over time, sugar can continue to negatively reduce beneficial gut flora and cause more severe digestive issues. (mindbodygreen.com)
However, antibiotics can disrupt beneficial gut flora and cause unwanted immune - related health issues. (naturalhealth365.com)