What is Manuka Honey – and why is it special?

Claire Perry - Manuka Doctor Product Expert

Claire leads our Product Development Team, ensuring that our products are truly natural and effective. With more than 20 years experience in the health and beauty industry, she is one of the industry’s most experienced Manuka Honey Experts.

What is Manuka Honey?

-       A native New Zealand super honey
-       Contains high levels of anti-microbial MGO
-       Trials support its use for wellbeing 

Manuka Honey is a natural honey made by bees who collect nectar from the Mānuka bush, a wild shrub which grows widely across New Zealand but flowers for only a few weeks a year. The honey has antibacterial and antioxidant properties which have been linked with a range of wellbeing benefits1.

Mānuka’s history as a medicinal plant

Parts of the Mānuka bush were used for centuries by New Zealand’s native Maoris as a herbal medicine to treat conditions like fevers and dandruff2. While honey has been used widely since ancient times to help wounds heal3, it was not until European settlers introduced the European honey bee in the first half of the 19th century that both Maori and settlers started using the honey to help with skin and stomach complaints.

For years, the thick, slightly bitter honey was not particularly prized and it was even used as animal feed before its unique healing properties were identified in the 1980s. Over the past few decades, scientists have been working to figure out exactly what makes Manuka Honey different.

What is Manuka Honey - the science

All honey has some antibiotic properties which scientists believe are due to the fact it is slightly acidic and contains the naturally-occurring chemical hydrogen peroxide.

But Manuka Honey is different because its antimicrobial properties come from non-peroxide activity. Research shows this activity, which is unique to Manuka Honey, has "significant antibacterial effects"3.

Manuka Honey Science - what is manuka honey

What is so special about Manuka Honey?

Scientists discovered Manuka Honey’s antibiotic properties are caused by a natural compound called methylglyoxal (MGO) which develops within the honey. The higher the honey’s MGO content, the more potent its antibiotic properties.4

Merilyn Manley-Harris, associate professor of organic and analytical chemistry at the University of Waikato, New Zealand, says: “MGO is an antibacterial agent and research shows it is very difficult for bacteria to develop immunity to it because it has multiple methods of action.

“The slightly bitter taste of Manuka Honey is because it’s also quite high in phenolic acids, which are antioxidants.”

New Zealand Beekeepers - What is manuka honey

What benefits does Manuka Honey have?

Taking Manuka Honey could a positive effect on oral health, gut health and help support the immune system, studies suggest.1

Research has shown Manuka Honey can kill common bacteria which cause infections in humans, including E.coli and staphylococcus (known as Staph)3, as well as antibiotic-resistant bugs such as MRSA5.

Clinical trials on humans found a daily dose of Manuka Honey was just as effective as a chemical mouthwash at reducing dental plaque and preventing the gum disease gingivitis. Laboratory-based trials have shown Manuka effectively stopped the Campylobacter bacteria which causes severe diarrhoea, as well as the stomach bugs Enterobacter and Salmonella. Further laboratory tests have shown Manuka Honey kills the chicken pox and shingles virus Varicella zoster.

Scientists agree more clinical trials in humans are needed to confirm Manuka’s health benefits but there are many positive signs its unique properties can help boost wellbeing.

Read more about the benefits of Manuka Honey in our blog post.

What is unique about New Zealand Manuka Honey?

New Zealand Manuka Honey

All Manuka Honey exported from New Zealand has to meet the strict requirements of the New Zealand Government to ensure it is genuine. Government scientists have identified four chemicals and a DNA marker which are unique to New Zealand Manuka Honey6 – and each batch must be tested to ensure it contains certain levels of these five elements before it can be sold to UK customers7.

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Article References
  1. Patel S, Cichello S. Manuka honey: an emerging natural food with medicinal use. Nat Prod Bioprospect. 2013;3(4):121–128. doi:10.1007/s13659-013-0018-7 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4131577/
  2. Jones R, Rongoā – medicinal use of plants, TEARA: The Encyclopaedia of New Zealand https://teara.govt.nz/en/rongoa-medicinal-use-of-plants
  3. Mandal MD, Mandal S. Honey: its medicinal property and antibacterial activity. Asian Pac J Trop Biomed. 2011;1(2):154-60. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3609166/
  4. Grainger M, Owens A, Manley-Harris M, et al. Kinetics of conversion of dihydroxyacetone to methylglyoxal in New Zealand mānuka honey: Part IV – Formation of HMF. Food Chemistry. 2017;232:648-655. https://doi.org/10.1016/j.foodchem.2017.04.066
  5. Visavadia, B G, et al. Manuka honey dressing: An effective treatment for chronic wound infections British Journal of Oral and Maxillofacial Surgery. 2008;46(1):55-56. https://doi.org/10.1016/j.bjoms.2006.09.013
  6. McDonald C M, Keeling Z E, et al. Using chemical and DNA marker analysis to authenticate a high-value food, manuka honey. npj Science of Food. 2018;2:9. https://www.nature.com/articles/s41538-018-0016-6
  7. Ministry for Primary Industries. Manuka Honey. https://www.mpi.govt.nz/growing-and-harvesting/honey-and-bees/manuka-honey/