evidence: Manuka honey has even helped with medical challenges like MRSA (1). (MRSA stands for methicillin-resistant Staphylococcus aureus, an antibiotic resistant bacteria). MRSA can be very tough to resolve … but Manuka honey can help where conventional drugs fail. [...] Researchers at the University of Zurich (5) found that Manuka honey was effective at controlling several types of oral bacteria … but the grade of Manuka honey was important. Honey with a grade of UMF16+ was needed to control oral bacteria. Keep reading to learn about the grades of Manuka honey. [...] - Schmidlin PR et al. Antibacterial potential of Manuka honey against three oral bacteria in vitro. Swiss Dent J. 2014;124(9):922-4.