Post Original Spoon-Size Shredded Wheat, Kellogg's Raisin Bran, Post Grape Nuts and Kashi GoLean Fiber Twigs are cereals with high fiber content. Other high-fiber cereals include Kashi GoLean Crunch, Kellogg's All Bran Original and General Mills Fiber One Honey Clusters.
Post Original Spoon-Size Shredded Wheat contains 6 grams of fiber and 170 calories per 1-cup serving. A 1-cup serving of Kellogg's Raisin Bran has 190 calories and 7 grams of fiber. Kashi GoLean Fiber Twigs contain 10 grams of fiber and 140 calories per 1-cup serving.
Dietary fiber is an important component of a healthful diet, according to the Mayo Clinic. It promotes regular digestion and bowel movements, assists healthy weight maintenance and reduces the risk of heart disease. Fiber also reduces the risk of diabetes.
There are two types of dietary fiber. Insoluble fiber, which does not dissolve in water, comes from foods such as wheat bran, nuts, potatoes, cauliflower and beans. This type of fiber helps move waste through the intestines and adds bulk to stools, thereby fighting constipation. Soluble fiber, which comes from foods such as oats, apples, carrots and barley, dissolves in water. This type of fiber promotes low blood cholesterol and stabilizes blood sugar levels.