A typical 1 cup serving of wheat bran contains 9 grams of protein (15.6 g per 100 g), which makes it a good source of protein. That covers roughly 18% of the 50 g reference Daily Value, so it adds toward your protein total for the day.
Around 29% of the calories in wheat bran come from protein, so it is moderately protein-dense. It contributes to a day's protein total, but the bulk of what it delivers is energy rather than amino acids - treat it as a contributor alongside a denser source, not as the protein in a meal.
Among the 111 grains in the database, wheat bran ranks 11th by protein per serving, and 324th out of all 796 foods on the site. Set against ramen noodles, another grain entry in the database, a serving carries about 0.7 g more protein (ramen noodles has 8.3 g per 1 block, dry).
It is an incomplete protein on its own; pairing it with other plant foods across the day covers the full range of essential amino acids. The serving above is measured by volume at 58 g. The per-100 g figure lets you compare it directly against any other food here, whatever its serving.
A milling by-product eaten in small amounts for fibre.
Source: USDA FoodData Central #169722 - "Wheat bran, crude" (SR Legacy, published 4/1/2019). Values are the published reference figures for that record, not lab measurements for a specific brand or batch.
Quick answers
Wheat bran protein FAQ
How much protein is in wheat bran per 100 g?
Wheat bran has 15.6 g of protein per 100 g. A typical 1 cup serving (58 g) provides 9 g.
Is wheat bran a complete protein?
No. Wheat bran is an incomplete protein on its own; pairing it with other protein sources across the day covers the full range of essential amino acids.
How much of the Daily Value does a serving of wheat bran cover?
A 1 cup serving of wheat bran contains 9 g of protein, about 18% of the 50 g reference Daily Value.
Is wheat bran a good source of protein?
Wheat bran is a good source of protein, and about 29% of its calories come from protein, which makes it moderately protein-dense. Set against ramen noodles, another grain entry in the database, a serving carries about 0.7 g more protein (ramen noodles has 8.3 g per 1 block, dry).