The daily recommended value of fiber per day is 25 grams, according to the FDA.

Also an interesting fact, "Although the recommended amount of fiber is 20 to 35 grams a day, the average American consumes only 12 to 15 grams on a daily basis."
Source(s):
http://www.fda.gov/FDAC/special/foodlabel/dvs.html
http://www.faqs.org/nutrition/Erg-Foo/Fiber.html

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For a 2000 cal diet the USRDA reccomends 25 grams of fiber a day
Source(s):
http://www.netrition.com/rdi_page.html

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~20-35g per day, according to the FDA.
This chart shows the amount depending on age and sex.

Males:
9–13 years 31
14–18 years 38
19–30 years 38
31–50 years 38
51–70years 30
> 70 years 30

Females:
9–13 years 26
14–18 years 26
19–30 years 25
31–50 years 25
51–70years 21
> 70 years 21
Source(s):
http://www.dietaryfiberfood.com/fiber-rda.php

http://www.rx4betterhealth.com/Benefits%20of%20Fiber%20and%20Bios%20Life%20...

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