Inulin and blood sugar – what´s the link?
Inulin (not insulin) is a type of soluble dietary fibre found naturally in many plants, like chicory
root, garlic, onions, and Jerusalem artichokes….
It’s classified as a prebiotic, which means it feeds the beneficial bacteria in your gut, helping to support digestive health and overall well-being.
If you, like me, believe in getting to the root of every problem then inulin is a great ally to help you get the basics right – so everything else lines up…
COMPLETE blood sugar control in as little as 60 days??
How different would your life be if you weren’t constantly worrying about your blood sugar levels?
Imagine foregoing your mid-afternoon naps for a game of golf, creating a new flower bed in your garden, or taking a long walk in Nature.
And, imagine not having to check your blood sugar so often because you KNOW it’s under control.
Why inulin can help you reset your blood sugar and your health…
Inulin is technically a fructan – a chain of fructose molecules that our bodies can’t digest…
And that’s exactly what makes it so powerful.
Because it isn’t digested in the stomach or small intestine, it travels intact to the colon, where it becomes food for your gut microbiota – the trillions of bacteria that live in your digestive tract.
A 2024 review published in the medical journal Nutrients found that inulin selectively boosts beneficial bacteria like Bifidobacterium and Anaerostipes, which produce short-chain fatty acids like butyrate.
These fatty acids are metabolic gold – they help regulate blood sugar, reduce inflammation, and even improve mood.
According to the same review in Nutrients:
* Inulin supplementation helps control body weight and BMI
* It reduces blood glucose levels and improves insulin sensitivity
* And it lowers markers of inflammation, which are linked to chronic diseases like diabetes and heart disease
Another 2025 study, published in Nutrire adds that inulin improves mineral absorption, especially calcium and magnesium, which are critical for bone health….
It also supports lipid metabolism, helping to manage cholesterol and triglyceride levels.
Keep reading…
How does inulin affect the gut-brain axis?
Here’s where things get really interesting…
Your gut isn’t just about digestion – it’s deeply connected to your brain.
The fatty acids produced by inulin-fed bacteria can cross the blood-brain barrier and influence neurotransmitters like serotonin and dopamine.
Research suggests that inulin may help reduce anxiety and improve sleep quality, especially in people with disrupted microbiomes.
Where to find inulin…
You don’t need to buy expensive supplements to get inulin. It’s naturally present in:
* Chicory root (the richest source)
* Jerusalem artichokes
* Garlic, onions, leeks
* Asparagus and bananas
* Whole grains like barley and oats
These foods don’t just deliver inulin – they come with a host of other nutrients and fibres that work synergistically.
But if you don´t eat enough of these foods every day (and many us don´t), a health supplement is the next best option. You can buy these at discounted pharmacies and health shops.
Inulin is generally safe and well-tolerated, but start slow. Too much too quickly can cause bloating or gas, especially if your gut isn’t used to high fibre.
Most studies recommend starting with 2-5 grams per day and gradually increasing to 10 grams or more, depending on your tolerance and goals.
References:
https://www.mdpi.com/2072-6643/16/17/2935
https://link.springer.com/article/10.1186/s41110-025-00373-z
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