How many calories are in Cereal?

100 g of Cereal has 367 kcal. Serving, 3/4 cup, 30 g (30 g): about 110 kcal.

How much protein is in Cereal?

Cereal contains 3.3 g of protein per 100 g (7% of the 50 g Daily Value), or 1 g in serving, 3/4 cup, 30 g (30 g). About 4% of its calories come from protein. Compared with other grains and pasta, that is in the lowest quarter (median 9.3 g).

How many carbs are in Cereal?

Cereal has 90 g of total carbohydrates per 100 g, including 3.3 g of fiber and 36.7 g of sugars.

How much fat is in Cereal?

Cereal contains 0 g of fat per 100 g, of which 0 g is saturated (0% of the Daily Value).

What vitamins and minerals does Cereal contain?

Per 100 g, the most notable amounts relative to the Daily Value are Vitamin B12 (208% DV), Riboflavin (B2) (109% DV), Niacin (B3) (104% DV), Vitamin B6 (98% DV) and Thiamin (B1) (83% DV). The full list is in the vitamins and minerals table above.

How much sodium is in Cereal?

100 g contains 467 mg of sodium, 20% of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From USDA FoodData Central: Branded Foods, record dated May 3, 2025. FoodFactly last checked it on November 12, 2026. Each value above shows whether it was measured, calculated or taken from a label.

Cereal

Packaged product Grains and Pasta Kellogg's frosted flakes

Cereal contains 367 kcal per 100 g. A serving, 3/4 cup, 30 g (30 g) provides about 110 kcal.

Roughly 96% of its calories come from carbohydrates, with 4% from protein and 0% from fat (estimated with general energy factors).

That is close to the median for grains and pasta on FoodFactly (377 kcal per 100 g).

100 g provides 208% of the Daily Value for Vitamin B12, 109% of the Daily Value for Riboflavin (B2) and 104% of the Daily Value for Niacin (B3).

The values are label data submitted by the manufacturer to USDA FoodData Central.

367kcal per 100 g

3.3 gprotein

90 gcarbohydrates

0 gfat

110kcal in serving, 3/4 cup, 30 g (30 g)

Nutrition facts

Amount

Nutrition facts for the selected amount
Nutrient	Amount per 100 g	% DV
Calories L	367 kcal
Total fat L	0 g	0%
Saturated fat L	0 g	0%
Trans fat L	0 g
Cholesterol L	0 mg	0%
Sodium L	467 mg	20%
Total carbohydrates L	90 g	33%
Dietary fiber L	3.3 g	12%
Total sugars L	36.7 g
Protein L	3.3 g	7%
Vitamin C L	20 mg	22%
Thiamin (B1) L	1 mg	83%
Riboflavin (B2) L	1.4 mg	109%
Niacin (B3) L	16.7 mg	104%
Vitamin B6 L	1.7 mg	98%
Vitamin B12 L	5 µg	208%
Calcium L	0 mg	0%
Iron L	15 mg	83%
Potassium L	117 mg	2%

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein 4%
Carbohydrates 96%

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Vitamins and minerals, % Daily Value per 100 g

Nutritional insights

Protein3.3 gin the lowest quarter of grains and pasta (median 9.3 g)
Fiber3.3 gin the lowest quarter of grains and pasta (median 6.7 g)
Sugars36.7 gin the top quarter of grains and pasta (median 13 g)
Fat0 gin the lowest quarter of grains and pasta (median 5 g)
Saturated fat0 gin the lowest quarter of grains and pasta (median 0.53 g)
Sodium467 mgabove the median for grains and pasta (median 225 mg)
Protein per 100 kcal0.91 gprotein density, useful for comparing foods with different calorie levels

Full nutrient profile

Fats and cholesterol (2)

Monounsaturated fat L	0 g
Polyunsaturated fat L	0 g

Carotenoids (1)

Vitamin D (D2 + D3), International Units L	133 IU

Other components (1)

Vitamin A, IU L	1,670 IU

Values by source

More than one dataset describes this food. FoodFactly keeps each source's values separately instead of blending them. The headline values above come from USDA FoodData Central: Branded Foods.

Per 100 g	Open Food Facts	USDA Branded
Calories	367 kcal	367 kcal
Protein	3.3 g	3.3 g
Carbohydrates	90 g	90 g
Fat	0 g	0 g
Fiber	3.3 g	3.3 g
Sugars	36.7 g	36.7 g
Sodium	467 mg	467 mg

Product details

Brand: Kellogg's frosted flakes
Barcode: 0038000318368
Quantity: 14 oz/397 g
Label serving: 3/4 cup (30 g)
Category: Cereals and their products
Nutri-Score: D as computed by Open Food Facts
NOVA group: 3 processing level (1 to 4), as classified by Open Food Facts

Ingredients

Milled Corn, Sugar, Contains 2% Or Less Of Malt Flavoring, Salt, Bht For Freshness. Vitamins And Minerals: Iron, Vitamin C (Ascorbic Acid And Sodium Ascorbate), Niacinamide, Vitamin B6 (Pyridoxine Hydrochloride), Vitamin B2 (Riboflavin), Vitamin B1 (Thiamin Hydrochloride), Vitamin A Palmitate, Folic Acid, Vitamin D, Vitamin B12.

As listed on the package and transcribed by Open Food Facts contributors. Always check the package for allergens.

Ingredient guides: Sugar Salt

Similar products

Food	Calories	Protein	Carbs	Fat
100% Stone Ground Whole Wheat Pastry Flour Bob's Red Mill	367	13.3 g	76.7 g	1.7 g
Pinhead Oatmeal Coarse Whole Food Earth	367	12 g	56 g	8.4 g
Enriched pre-sifted bleached all-purpose flour Market Pantry	367	10 g	73.3 g	0 g
High Fiber Cereal Organic Milling Llc	367	10 g	76.7 g	3.3 g
Quick 3-Minute Oatmeal Steel Cut Blueberries & Cranberries Quaker	367	9.4 g	74.8 g	5.2 g
Cereal Lovebird	367	3.3 g	86.7 g	3.3 g
Organics Sprouted Brown Rice Flour One Degree Organic Foods	367	6.7 g	76.7 g	3.3 g
Aurora Natural, Granola Low Fat Aurora Products	367	8.3 g	78.3 g	5 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Source of the nutrition information

USDA FoodData Central: Branded Foods, record 1926949. License: CC0 1.0 (U.S. public domain). Source record dated May 4, 2021. Imported November 6, 2026.
Open Food Facts, record 0038000318368. License: ODbL 1.0 (Open Food Facts). Source record dated May 3, 2025. Imported November 12, 2026.

Last updated: November 12, 2026. Data quality score: 100/100 (how it is calculated).

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.