Fibre and Gut Health: The Everyday Habit Most People Skip

When people talk about healthy eating, fibre is often forgotten. It is not exciting, but it is one of the most useful nutrients you can eat. It is found only in plant foods like vegetables, fruits, pulses, whole grains, nuts, and seeds.

What fibre actually does

Your body cannot digest fibre, which is why it matters. It passes through to your large intestine, where trillions of bacteria feed on it. This helps in several ways:

• Keeps digestion regular and helps prevent constipation.
• Feeds helpful gut bacteria, which make short-chain fatty acids that support the gut lining.
• Slows sugar absorption, which helps keep blood sugar steadier after meals.
• Helps lower cholesterol, especially soluble fibre from oats, beans, and fruits.
• Keeps you full, which helps with appetite control.

How much do you need?

Most health bodies suggest about 25 to 30 grams a day for adults. Many people eat roughly half of that. The World Health Organization suggests at least 25 grams of fibre a day from natural foods.

Easy ways to add fibre

1. Start with breakfast

   Choose oats, ragi, dalia, or whole grain bread instead of refined cereal. Add a fruit or some nuts.

2. Swap refined for whole

   Use brown rice, millets, or whole wheat roti more often. Keep the skin on fruits like apples and guavas.

3. Add pulses daily

   Dal, rajma, chana, and moong are among the best fibre sources. Add a spoonful to salads, soups, and curries.

4. Fill half your plate with vegetables

   Eat them at lunch and dinner. Raw salad plus a cooked vegetable gives variety.

5. Snack smart

   Pick fruit, roasted chana, a handful of nuts, or popcorn without heavy butter.

6. Drink water as you increase fibre

   Fibre absorbs water. Without enough fluids it can cause bloating or constipation.

Go slowly

If you suddenly jump from low to high fibre, you may feel gas, bloating, or cramps. Add one new high-fibre food every few days and give your gut bacteria time to adjust.

What most people miss

• There are two types. Soluble fibre dissolves in water and forms a gel, helping cholesterol and blood sugar. Insoluble fibre adds bulk and helps food move through. Whole foods contain both.
• Variety matters. Different plants feed different bacteria. Try to eat many different plant foods through a week, not just the same few.
• Juice is not the same as fruit. Juicing removes most of the fibre.

Sources

• WHO: Healthy diet fact sheet
• Harvard T.H. Chan School: Fiber