New Study Finds Prebiotic Inulin May Support Weight Loss and Liver Health in Adults with Metabolic Disease

 

Study Finds Prebiotic Inulin May Support Weight Loss and Liver Health in Adults with Metabolic Disease

A new 2025 randomized controlled trial published in the European Journal of Nutrition has revealed that prebiotic inulin — when combined with weight loss counseling — can help reduce body fat, improve appetite control, and support gut microbiome balance in adults with metabolic dysfunction-associated steatotic liver disease (MASLD), formerly known as non-alcoholic fatty liver disease (NAFLD).

The Study: Prebiotic Inulin and Weight Loss Counseling

Researchers from the University of Calgary conducted a 24-week double-blind, placebo-controlled trial involving adults aged 18–70 diagnosed with MASLD. Participants received either:

  • 16 grams per day of oligofructose-enriched inulin (a type of prebiotic fibre), or
  • An isocaloric placebo (maltodextrin),
     while all participants also received personalized weight loss counseling from a dietitian.

At the end of the trial, those in the prebiotic inulin group experienced:

  • Greater reduction in trunk fat percentage compared to placebo (p = 0.029).
  • Significant decreases in hunger and desire to eat.
  • Improved gut microbiota, including higher levels of beneficial Bifidobacterium.
  • Preservation of healthy taurine metabolism, a pathway linked to liver and metabolic health.

Although total liver fat reduction was similar between groups, the combination of prebiotic fibre and dietary support clearly produced better outcomes for appetite regulation, fat loss, and microbiome composition.

Read the full abstract on PubMed: Effects of combined prebiotic fiber supplementation and weight loss counseling in adults with MASLD

Why This Matters

MASLD affects roughly one in four adults globally and is closely tied to poor metabolic health, high visceral fat, and insulin resistance. This study adds to the growing evidence that prebiotic fibres like inulin can do more than support digestion — they can also influence:

  • Appetite hormones, reducing overeating and snacking tendencies.
  • Body composition, particularly abdominal or “trunk” fat.
  • Gut-liver communication, a key driver of inflammation and liver health.

What Is Inulin?

Inulin is a naturally occurring prebiotic fibre found in plants like chicory root. It feeds beneficial bacteria in the gut, helping to improve digestion, enhance mineral absorption, and regulate blood sugar and cholesterol. By promoting the growth of Bifidobacterium and other healthy microbes, inulin indirectly supports metabolism and immune function.

For those looking to incorporate this research into their daily wellness routine, inulin supplementation offers a simple and natural option.

How to Take Inulin for Weight Loss

To align with the study findings, aim for 10–16 grams of inulin per day, introduced gradually to avoid digestive discomfort. It can be mixed easily into smoothies, yoghurt, or water.

For more guidance, see:

And if you’re wondering where can I buy inulin powder in Australia, try Wonder Foods Organic Inulin — a certified organic, pure, and gentle prebiotic powder sourced from chicory root.

The Takeaway

This 2025 study provides strong clinical evidence that inulin prebiotic supplementation, especially when paired with dietary guidance, can support healthy weight management, gut microbiome diversity, and metabolic liver function.

For individuals managing metabolic health or looking for natural appetite and weight control, prebiotic inulin offers a research-backed, safe, and food-based approach to better wellbeing.

Disclaimer:
 Wonder Foods provides this article for educational purposes only. Please consult your health practitioner for personalised advice before changing your diet or supplement routine.


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