Fibre: Why It Matters and How to Get Enough
Fibre is one of the most underrated parts of a healthy diet. It rarely gets the attention that protein or calories receive, yet most people eat far less of it than they should, and closing that gap is one of the simplest ways to improve digestion, appetite control, and long-term health. This guide explains what fibre actually does and offers practical ways to eat more of it comfortably.
What fibre is and does
Fibre is the part of plant foods that your body cannot fully digest, and it comes in two broad types. Soluble fibre dissolves in water to form a gel that slows digestion, helps steady blood sugar, and can support healthy cholesterol levels. Insoluble fibre adds bulk to stool and keeps things moving through the digestive tract. Most plant foods contain a mix of both, so a varied diet naturally supplies the benefits of each.
Why fibre helps with appetite
Because fibre slows digestion and adds bulk, high-fibre foods tend to be more filling for the number of calories they provide. This makes fibre a quiet ally in managing appetite and body weight, since meals rich in vegetables, whole grains, and legumes leave you satisfied for longer than the same calories from refined, low-fibre foods. Prioritising fibre is one reason whole foods make a calorie target easier to stick to.
Best sources of fibre
The richest sources are whole plant foods eaten close to their natural form. Legumes such as beans and lentils are outstanding, as are whole grains, vegetables, fruit eaten with the skin where appropriate, nuts, and seeds. Refining and heavy processing strip fibre away, which is why whole-grain bread beats white and whole fruit beats juice. Building meals around these foods raises your intake without any need for supplements.
How to eat more without discomfort
If your current intake is low, increase fibre gradually rather than all at once, and drink plenty of water alongside it, since fibre works best with adequate fluid. Sudden large increases can cause bloating and discomfort, but a steady build-up over a couple of weeks gives your digestive system time to adjust. Adding one high-fibre food to each meal is an easy way to make progress without any dramatic change to how you eat.
Frequently asked questions
How much fibre should I eat? Most adults benefit from considerably more than they currently eat. Rather than fixating on a single number, aim to include a high-fibre food at every meal and increase gradually.
Can I get enough fibre from supplements? Supplements can help fill gaps, but whole foods provide fibre alongside vitamins, minerals, and other beneficial compounds that supplements lack. Food should come first.
Why does more fibre sometimes cause bloating? Increasing fibre too quickly, or without enough water, can cause temporary bloating. Building up gradually and staying hydrated usually resolves it.