The role of Manuka Honey in promoting a healthy gut-brain axis

April 10, 2026 | Manuka Science

Read Time: 5 minutes

Summary:

The gut-brain axis, a network of communication between central nervous system and gastrointestinal tract, is essential for controlling mood, digestion cognition, and overall wellbeeing®. By generating neurotransmitters like serotonin that influence behavior and brain function, the gut microbiota plays a role in this axis.

By specifically targeting pathogenic bacteria while maintaining healthy gut microbiota, Manuka honey—known for its anti-bacterial and anti-inflammatory qualities due to methylglyoxal (MGO)—supports the gut-brain axis. It is stressed that although Manuka honey might be a helpful food, it shouldn't take the place of medical advice for chronic health problems.

Selective Antimicrobial Support for the Microbiome

The gut-brain axis is a bidirectional communication network that connects the gastrointestinal tract and the central nervous system. It plays a crucial role in regulating various physiological and psychological processes, including digestion, mood, cognition, and overall wellbeeing®. The gut microbiome is a key component of the gut-brain axis. These microbes produce a range of neurotransmitters that can directly influence brain function and behaviour. For instance, the gut microbiome is responsible for the production of serotonin, a neurotransmitter that is essential for mood regulation and emotional well-being.

Manuka honey acts as a powerful ally in supporting the gut-brain axis. What sets it apart from other honeys is its exceptional anti-bacterial and anti-inflammatory properties , which are largely attributed to the presence of a compound called methylglyoxal (MGO).
MGO is a potent antimicrobial agent that can effectively target harmful bacteria, while leaving the beneficial gut microbiome largely unharmed. This selective targeting helps to restore balance and promote the growth of beneficial gut bacteria, which is essential for good gut health^1-2.

Nutrition science approaches Mānuka honey is a supportive food, not a primary treatment. If you’re dealing with persistent low mood, anxiety, or gut symptoms, it’s worth speaking with a qualified health professional—diet is powerful, but it’s one part of a bigger picture.

How to incorporate Manuka Honey into your diet for optimal health

Incorporating Manuka honey into your daily routine is a simple and effective way to support a healthy gut-brain axis. There are numerous ways to enjoy the benefits of Manuka honey:

Build meals around whole foods, especially a variety of fibre-rich plants (vegetables, fruits, legumes, whole grains).
Use sweet foods (including honey) in small amounts, ideally alongside protein, fat, or fibre to support stable energy.
Support your gut microbiome with consistency: regular meals, plant diversity, and limiting ultra-processed foods.
For ongoing gut or mood concerns, seek guidance from a qualified health professional—nutrition helps, but it’s one piece of a broader approach.

Enjoy a spoonful of Manuka honey each day. Sweet and nutritious, you enjoy the full benefits of its active compounds.
Stir a teaspoon of Manuka honey into your tea, coffee, or smoothie to start your day with a gut-friendly boost.
Incorporate Manuka honey into your favourite recipe - maybe drizzled over your breakfast or stirred into your homemade marinades or salad dressings.