Dietary fibre reference intakes

References are shown separately: EFSA gives 25 g/day for adults; IOM/NASEM gives 14 g/1000 kcal. IOM age and sex AIs: ages 19–50, men 38 g and women 25 g; over 50, 30 and 21 g. The energy calculation does not automatically replace the other references.

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This calculation is for reference only and is not medical advice, a diagnosis or a prescription. If you have a medical condition, are pregnant, take medication or have any doubts, discuss the result with a physician or a qualified nutrition professional.

Result

By energy — IOM/NASEM
30.8 g/day

References are shown separately: EFSA gives 25 g/day for adults; IOM/NASEM gives 14 g/1000 kcal. IOM age and sex AIs: ages 19–50, men 38 g and women 25 g; over 50, 30 and 21 g. The energy calculation does not automatically replace the other references.

By age and sex — IOM/NASEM
38 g/day

References are shown separately: EFSA gives 25 g/day for adults; IOM/NASEM gives 14 g/1000 kcal. IOM age and sex AIs: ages 19–50, men 38 g and women 25 g; over 50, 30 and 21 g. The energy calculation does not automatically replace the other references.

For adults — EFSA
25 g/day

References are shown separately: EFSA gives 25 g/day for adults; IOM/NASEM gives 14 g/1000 kcal. IOM age and sex AIs: ages 19–50, men 38 g and women 25 g; over 50, 30 and 21 g. The energy calculation does not automatically replace the other references.

For adults aged 19 or older outside pregnancy and lactation. These are not individual safety limits or treatments for constipation, IBS or high cholesterol. Increase intake according to tolerance. No extra water requirement of 40 ml per gram of fibre is calculated.

How it is calculated

References are shown separately: EFSA gives 25 g/day for adults; IOM/NASEM gives 14 g/1000 kcal. IOM age and sex AIs: ages 19–50, men 38 g and women 25 g; over 50, 30 and 21 g. The energy calculation does not automatically replace the other references.

Formula

References are shown separately: EFSA gives 25 g/day for adults; IOM/NASEM gives 14 g/1000 kcal. IOM age and sex AIs: ages 19–50, men 38 g and women 25 g; over 50, 30 and 21 g. The energy calculation does not automatically replace the other references.

Limits of the method

For adults aged 19 or older outside pregnancy and lactation. These are not individual safety limits or treatments for constipation, IBS or high cholesterol. Increase intake according to tolerance. No extra water requirement of 40 ml per gram of fibre is calculated.

Sources of the method

How to read the references

1

Enter the inputs

References are shown separately: EFSA gives 25 g/day for adults; IOM/NASEM gives 14 g/1000 kcal. IOM age and sex AIs: ages 19–50, men 38 g and women 25 g; over 50, 30 and 21 g. The energy calculation does not automatically replace the other references.

2

Compare the references

References are shown separately: EFSA gives 25 g/day for adults; IOM/NASEM gives 14 g/1000 kcal. IOM age and sex AIs: ages 19–50, men 38 g and women 25 g; over 50, 30 and 21 g. The energy calculation does not automatically replace the other references.

3

Consider the limitations

For adults aged 19 or older outside pregnancy and lactation. These are not individual safety limits or treatments for constipation, IBS or high cholesterol. Increase intake according to tolerance. No extra water requirement of 40 ml per gram of fibre is calculated.

Frequently asked questions

How is the result obtained?

References are shown separately: EFSA gives 25 g/day for adults; IOM/NASEM gives 14 g/1000 kcal. IOM age and sex AIs: ages 19–50, men 38 g and women 25 g; over 50, 30 and 21 g. The energy calculation does not automatically replace the other references.

Is this an individual prescription?

For adults aged 19 or older outside pregnancy and lactation. These are not individual safety limits or treatments for constipation, IBS or high cholesterol. Increase intake according to tolerance. No extra water requirement of 40 ml per gram of fibre is calculated.

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