Making Fiber Part of Your Diet
Most Americans are not getting enough fiber. According to the 2010 Dietary Guidelines, teen girls (14 to 18 years) should get 25 grams of fiber per day and teen boys (14 to 18 years) should get 31 grams of fiber per day. The best sources are fresh fruits and vegetables, nuts and legumes, and whole-grain foods.
You probably eat some fiber every day without even realizing it, but here are some simple ways to make sure you're getting enough.