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Food facts

Facts About Fibre: Boost Satiety and Improve Digestion

Fibre adds bulk to food, slows digestion and helps you feel full on fewer calories. UK guidelines recommend 30g a day for adults, yet most of us eat around 20g. Wholegrains, beans, lentils, vegetables, fruit with skin, nuts and seeds are the easiest ways to close the gap.

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Oats, kidney beans, lentils, berries and wholemeal bread — everyday high-fibre foods

Why fibre helps with slimming

  • It takes up room in the stomach and slows emptying, so you feel full for longer.
  • It slows the release of sugar into the blood, reducing energy dips.
  • High-fibre foods usually need more chewing, which slows eating.
  • It feeds beneficial gut bacteria and keeps you regular.

High-fibre cupboard staples

Approximate fibre content of typical portions
FoodTypical portionFibre (approx.)
Baked beansHalf a 400g tin7g
Red lentils (cooked)3 tbsp / 120g4g
Porridge oats40g4g
Wholemeal bread2 medium slices5g
Jacket potato with skinMedium (180g)4g
Raspberries80g5g
Pear with skin1 medium5g
Almonds20g2.5g

Easy ways to reach 30g a day

  • Swap white bread, pasta and rice for wholegrain.
  • Start the day with porridge or a high-fibre cereal.
  • Add a tin of beans or lentils to soups, stews and curries.
  • Keep the skins on potatoes and fruit.
  • Snack on fruit, vegetable sticks or a small handful of nuts.

A new free meal plan every Monday

Balanced UK menus with a matching shopping list, published here on the site. Look back at previous weeks any time.

See this week's plan