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A High-Fibre Diet Can Lower Your Risk of Death by 22%! Here’s Why You Need More Fibre in Every Meal

  • Writer: Gillian Scerri
    Gillian Scerri
  • May 29
  • 3 min read

Most people think of fibre as just a digestion aid, but the truth is: fibre is one of the most powerful tools we have for lifelong health. In fact, a large-scale study tracking nearly 400,000 people over 9 years found that those who ate the most fibre had a 22% lower risk of death from all causes.


Yes, eating more fibre could literally help you live longer. In this article, I’ll break down:

Measuring cup filled with cacao powder on a light surface.

  • What fibre does beyond digestion

  • How it supports gut, blood sugar, detox and mood

  • The best high-fibre foods to eat daily

  • Easy tips to start boosting your fibre today





Why Fibre Is Essential for Optimal Health


While fibre is most known for keeping things moving in the bathroom, it also:


  • Acts as a prebiotic for gut health

  • Supports natural detoxification

  • Helps balance blood sugar

  • Reduces cravings and mood swings

  • Has been linked to lower rates of depression and disease


Despite all this, most people are falling short. The recommended daily intake is 25–30 grams per day, yet most people only get around 15 grams. Fortunately, boosting your fibre is easier than you think.


What the Research Says About Fibre and Longevity


A landmark study showed that people who consumed the most fibre had:


  • 22% lower risk of death

  • Lower rates of heart disease, infections, and respiratory illness

  • Strongest benefits from whole grains, fruits, and vegetables


And, a 2023 study added that higher fibre intake is linked to lower depression risk, proving how connected your gut, brain, and immune system truly are.


5 Incredible Benefits of a High-Fibre Diet


1️⃣ Supports Gut Health by Feeding Good Bacteria


Fibre acts as a prebiotic, feeding your beneficial gut microbes. A strong, diverse gut microbiome improves digestion, boosts immunity, and even supports better mental health.


2️⃣ Naturally Detoxifies the Body


Insoluble fibre binds to environmental toxins, like heavy metals and pesticides, helping your body eliminate them safely through the stool.


3️⃣ Balances Blood Sugar and Reduces Cravings


When eaten with meals, fibre slows down sugar absorption, stabilises blood sugar, and prevents the dreaded crash. This leads to:


  • More consistent energy

  • Fewer cravings

  • More balanced moods


4️⃣ Promotes Weight Loss and Satiety


High-fibre foods take longer to chew and digest, leaving you feeling fuller for longer, which means less overeating and more natural control over your appetite.


5️⃣ Protects Against Chronic Disease


Fibre helps reduce inflammation, lower LDL cholesterol, and prevent type 2 diabetes, all major factors in long-term health and longevity.


Easy Ways to Boost Your Daily Fibre


Try to include at least one source of fibre in every meal. Great options include:


  • Vegetables (especially dark leafy greens, broccoli, carrots) 

  • Whole fruits (with skin – like apples, pears, berries) 

  • Whole grains (brown rice, quinoa, millet, buckwheat) 

  • Legumes and lentils 

  • Nuts and seeds (chia, flax, sunflower, almonds)


💡 Quick Tip: Add 2 tablespoons of chia seeds to your smoothie or porridge, that’s 10g of fibre right there! Flaxseeds are another great option, offering 8g per 2 tablespoons.


You don’t need fancy supplements or extreme diets to improve your health, just real food, full of fibre. Supporting your gut is one of the most foundational steps you can take toward more energy, fewer cravings, better mood, and long-term wellness.


For more expert tips on holistic nutrition, weight loss, and wellness, feel free to browse the rest of my blog posts. You’ll find practical advice on gut health, emotional eating, energy-boosting foods, and more.


Stay inspired and follow along on Instagram at @align.holistic.nutrition, for daily tips, real-life nutrition insights, and healthy living ideas.


Ready to take control of your health? Learn more about my online nutrition coaching services via the link below and see how we can work together to help you feel your best, inside and out!




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