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    Science-Based Nutrition

    How Much Fibre Per Day?
    (Australia Guide)

    Most Australians only get ~20g/day — here's how to reach ~30g consistently

    Fibre is a biological necessity that contributes to regular laxation, supports a steadier blood sugar response, and assists natural cholesterol-clearance pathways.* While essential, many people struggle to consistently reach the targets associated with optimal metabolic health.

    So how much fibre do we actually need — and how much are we getting?

    In Australia, most adults consume around 20 g of fibre per day, while the recommended daily target for adults is 25–30 g to support regular laxation and metabolic wellbeing.* That means the majority of people fall roughly 10 g short of the intake necessary to support their body's baseline physiological pathways.

    One serving of our wholefood blends provides between 8.4 g and 13 g of fibre, making it simple to close this "fibre gap" in one daily ritual.

    If you're unsure how much fibre you need, you can use the fibre intake calculator below.

    Recommended Daily Fibre Intake

    ~25 g

    Adult women / day

    ~30–38 g

    Adult men / day

    Most people consume less than recommended.

    Why Most Australians Fall Short on Fibre

    ~20 g/day

    Average intake in Australia

    ~30 g/day

    Optimal intake for health

    Average fibre intake in Australia is approximately 20 g per day, while research suggests around 30 g per day or more is associated with optimal metabolic and cardiovascular health.

    Most adults therefore consume around 10 g less fibre per day than levels associated with disease prevention.

    That's roughly a 10 g daily gap — the equivalent of missing 2–3 key fibre sources each day.

    Fayet-Moore et al., Nutrients (2018).

    One serving of the My Daily Gut Metabolism Blend provides approximately 12 g of fibre, helping close this gap.

    Why Fibre Matters for Metabolic and Gut Health*

    Assisting Cholesterol Clearance

    Viscous fibres, such as psyllium husk, form a viscous gel that sequesters bile acids in the intestine. This process reduces bile acid reabsorption to assist the body's natural cholesterol-clearance pathways.*

    Steadier Blood Sugar Response

    Upon ingestion, psyllium and other viscous fibres increase intestinal viscosity. This physically slows carbohydrate absorption to support a steadier blood glucose response after meals.*

    Contributing to Microbiome Diversity

    Fermentable fibres facilitate substrate niche diversification, providing fuel for diverse bacterial guilds. Evidence confirms that daily oral consumption of 30 diverse plant-based fibres contributes to a more diverse gut microbiome.*

    Supporting Regular Laxation

    Dietary fibre increases stool bulk and reduces intestinal transit time to contribute to regular laxation and digestive comfort.*

    Not All Fibre Works the Same Way

    Dietary fibre is broadly categorised into two types:

    Insoluble Fibre

    Found in wheat bran and whole grains. Adds bulk to support regular laxation.

    Soluble Viscous Fibre

    Found in psyllium, flaxseed, and chia seeds. Forms a viscous gel during digestion, slowing nutrient absorption for metabolic stability.

    Viscous fibres form a gel-like substance when mixed with water in the digestive tract. This gel-forming property is what makes them particularly relevant for cholesterol metabolism and blood sugar regulation.

    How Viscous Fibre Assists Cholesterol Clearance*

    The mechanism by which viscous fibre supports healthy cholesterol maintenance involves bile acid binding:

    1. Viscous fibre forms a thick gel that sequesters bile acids in the small intestine.
    2. Bound bile acids are excreted through the digestive tract rather than being reabsorbed.
    3. The resulting increase in bile acid synthesis leads to the upregulation of hepatic LDL receptors, which enhances the clearance of circulating cholesterol to synthesise replacement bile acids.

    Psyllium husk is widely studied in human clinical trials. A 2018 systematic review and meta-analysis by Jovanovski et al., published in the American Journal of Clinical Nutrition (PMID: 30239559), found that high-viscosity soluble fibre is a practical dietary tool for assisting the body's natural cholesterol-clearance pathways*

    Note: This information is educational. Consult your healthcare provider for personalised advice.

    Fibre and a Steadier Blood Sugar Response*

    Upon ingestion, psyllium husk forms a viscous gel that increases intraluminal viscosity in the small intestine. This gel physically slows the rate of enzymatic digestion of starch and delays carbohydrate absorption across the intestinal mucosa.

    Human research consistently demonstrates that this mechanism contributes to a steadier post-meal blood glucose response* when psyllium is consumed as part of a balanced diet.

    Foods Naturally High in Fibre

    FoodApprox. Fibre
    Flaxseed (ground, 2 tbsp)~4 g
    Psyllium husk (1 tbsp)~5 g
    Chia seeds (2 tbsp)~7 g
    Lentils (½ cup cooked)~8 g
    Almonds (30 g)~3.5 g
    Oats (½ cup dry)~4 g

    Values are approximate and may vary by source and preparation.

    A Practical Way to Increase Fibre Intake

    A practical way to increase fibre intake is to add fibre-rich whole foods to meals you already enjoy:

    • Stir ground flaxseed into yoghurt or porridge
    • Add chia seeds to smoothies
    • Include a handful of nuts and seeds in salads
    • Choose whole grains over refined alternatives

    My Daily Gut blends are designed with this approach in mind - combining fibre-rich whole foods such as psyllium, flaxseed, nuts and seeds into convenient daily servings. Explore the full range on the Benefits page.

    While effective, consistently reaching these targets can require planning across multiple meals each day.

    The Simple Way to Close the Fibre Gap

    If most Australians are falling 10 g short each day, the simplest solution is a consistent, fibre-rich morning ritual.

    My Daily Gut Metabolism Blend combines five wholefood sources:

    • Psyllium husk & Flaxseed: High-viscosity fibres that assist cholesterol-clearance pathways and support metabolic stability*.
    • Mixed nuts & Sunflower seeds: Sources of insoluble fibre that contribute to regular laxation*.
    • Cinnamon: A traditional inclusion to support the blend’s metabolic focus.

    One serving provides approximately ~13.5 g of fibre — an excellent source of fibre that closes the daily gap in one simple step.

    Instead of relying on multiple separate foods each day, this approach combines key fibre sources into one simple, repeatable habit.

    That's equivalent to adding multiple high-fibre foods in one step.

    Explore simple ways to support your daily fibre intake:

    Designed to complement a balanced diet — not replace whole foods.

    Increasing Fibre Intake Safely

    If you're not used to eating much fibre, it's important to increase your intake gradually over several days to allow your digestive system to adjust. A sudden increase may cause temporary bloating or discomfort.

    Hydration Reminder

    When consuming psyllium husk, always drink at least 240–250 mL of water per serve. Adequate hydration helps the fibre move smoothly through the digestive tract.

    Key Takeaway

    Increasing wholefood fibre intake through a diverse range of plants—including viscous fibres like psyllium husk and flaxseed—can assist natural cholesterol-clearance pathways, support a steadier blood sugar response, and contribute to a more diverse gut microbiome.* Small, consistent changes to your daily morning ritual can make a meaningful difference to your baseline over time.

    Calculate Your Personalised Fibre Target

    Find out exactly how much fibre you need — and the easiest way to reach it.

    Personalised Fibre Intake Estimator

    Estimate your current fibre intake, calculate your gap, and get a personalised plan to close it.

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    Tell us about yourself

    Article reviewed by

    Claudia Amouzandeh

    Bachelor of Nutrition & Dietetics (Honours)

    Co-Founder — My Daily Gut

    Claudia Amouzandeh holds a Bachelor of Nutrition & Dietetics (Honours) and specialises in translating scientific nutrition research into practical everyday nutrition guidance.

    Scientific References

    1. Dahl WJ, Stewart ML. Position of the Academy of Nutrition and Dietetics: Health Implications of Dietary Fiber. J Acad Nutr Diet (2015).
    2. Evans CEL. Dietary fibre and cardiovascular health: a review of current evidence and policy. Proc Nutr Soc (2020).
    3. Fayet-Moore F et al. Dietary Fibre Intake in Australia. Paper II: Comparative Examination of Food Sources of Fibre among High and Low Fibre Consumers. Nutrients (2018).
    4. Fayet-Moore F et al. Dietary Fibre Intake in Australia. Paper I: Associations with Demographic, Socio-Economic, and Anthropometric Factors. Nutrients (2018).
    5. Hooper B, Spiro A, Stanner S. SACN's draft dietary fibre recommendations. Nutr Bull (2015).
    6. Jovanovski E et al. Effect of psyllium fiber on LDL cholesterol and alternative lipid targets: a systematic review and meta-analysis of randomized controlled trials. Am J Clin Nutr (2018).

    Frequently Asked Questions

    *Psyllium husk forms a viscous gel that slows carbohydrate absorption, supporting a steadier blood glucose response, and reduces bile acid reabsorption to assist natural cholesterol-clearance pathways. Daily consumption of 30 diverse plant-based fibres contributes to a more diverse gut microbiome. Dietary fibre contributes to regular laxation. These health effects must be considered in the context of a healthy diet involving the consumption of a variety of foods. Claims relate to the foods as sold. This article and our products are not intended to diagnose, treat, cure or prevent any disease.