Food database · Grains

Fiber content

Fiber in Cereal, O's, Plain

A 1 cup serving of cereal, o's, plain contains 3.2 g of dietary fibera moderate source of fiber, about 11% of a 28 g daily target.

3.2 g
per 1 cup

Fiber breakdown

Soluble 0.5 g (16%)Insoluble 2.7 g (84%)
Serving1 cup
Total fiber3.2 g
Soluble fiber0.5 g
Insoluble fiber2.7 g
Share of 28 g daily target11%
CategoryGrains
Food typePrepared / mixed
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How much fiber is in cereal, o's, plain?

Cereal, O's, Plain delivers 3.2 grams of dietary fiber in a typical 1 cup serving, which makes it a moderate source of fiber. That covers roughly 11% of a 28 gram daily reference intake, so it adds gently toward your fiber goal for the day.

Of that total, about 0.5 g is soluble fiber (which forms a gel in the gut and helps with cholesterol and blood-sugar) and 2.7 g is insoluble fiber (which adds bulk and supports regularity).

USDA FoodData Central FNDDS 2021-2023; FDC ID 2708448; total dietary fiber nutrient 1079. Total fiber is from USDA FNDDS; soluble and insoluble grams are category-based estimates, not lab-measured values.

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