A "natural antibiotic" is a substance found in nature that can help kill or prevent the growth of harmful bacteria in our bodies, similar to how regular antibiotics work. Full definition
They produce metabolic products which can act as natural antibiotics to combat bacteria and other pathogens. (sciencedaily.com)
What would this list of natural antibiotics be without raw honey which has been used as an infection fighter since ancient times? (thehealthyhomeeconomist.com)
To help offset these negative effects of antibiotics, we use natural antibiotics to help your furry friend get better from whatever he or she is suffering from. (alternativevet.org)