USDA Survey
Cereal, O's, plain
According to USDA FoodData Central (FDC ID 2708448, data refreshed August 2026), nutrition facts per 100g, sourced verbatim.
- 374
- Caloriesmoderate density
- 12.4g
- Proteinhigh · 25% DV
- 67.9g
- Carbshigh · 25% DV
- 6.2g
- Fatmoderate · 8% DV
Cereal, O's, plain contains 374 calories per 100g according to USDA FoodData Central. It has 12.4g of protein, 6.2g of fat, and 67.9g of carbohydrates per 100g. Data is sourced verbatim from the USDA Survey database, refreshed August 2026.
- More protein than 57% of USDA whole foods
The verdict
Cereal, O's, plain is fiber-rich, with 10.5g of dietary fiber per 100g.
- 12.4g
- protein per 100g
- Top 43%
- protein vs USDA whole foods
- 374
- calories per 100g
- 10.5g
- fiber per 100g
Percentile computed against the 7,880 USDA SR Legacy and Foundation whole foods with a protein value, not branded or processed items.
Cereal, O's, plain contains 374 calories per 100g, according to the USDA FoodData Central database. It provides 12.4g of protein, 6.2g of fat, and 67.9g of carbohydrates per 100g. Dietary fiber: 10.5g. Below you will find a complete nutrient breakdown including vitamins, minerals, and daily value percentages based on a 2,000 calorie diet. Values are normalized to a 100g serving per the USDA FoodData Central standardization. Source: USDA laboratory analysis and manufacturer-reported label data for food products sold in the United States.
Where this data comes from
USDA FoodData Central is the United States government's authoritative reference for food composition, maintained by the Agricultural Research Service and updated as new laboratory analyses and manufacturer submissions are processed. Cereal, O's, plain is catalogued there as FDC ID 2708448, a usda survey entry. Every figure on this page comes from USDA laboratory analysis under the FDC USDA Survey program, standardized to 100 g so it can be compared fairly against any other food in the database. Values are shown on the USDA per-100 g basis.
By the per-100g standardization, Cereal, O's, plain reads as good fiber source within common dietary frameworks. Compare it against 6 nutritionally similar items in Nearby Foods below.
Nutritional Value at a Glance
Cereal, O's, plain is a carbohydrate-dense food that can serve as a quick energy source.
At 38% of the Daily Value for fiber, this is a good source that supports digestive health and may help with satiety.
Notable micronutrients include Iron, Fe (172% DV), and Calcium, Ca (28% DV).
Allergen indicators
No FDA Big 9 major-allergen indicator was detected in the product name and brand text scan (milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat, soybeans, sesame). Absence-of-flag does NOT mean allergen-free. The USDA FoodData Central release does not always include a full ingredient list, always verify with the FDA-mandated ingredient and allergen statement printed on the physical package before consumption.
Where the calories mostly come from
Values per 100g
Macro Breakdown
Values shown per 100g, the USDA FoodData Central standardization. Serving size for this entry is not declared in the USDA release.
Where Cereal, O's, plain ranks on protein
Its 12.4g of protein per 100g placed against every USDA reference (whole) food, the 7,880 SR Legacy and Foundation items with a protein value.
Protein per 100g - Cereal, O's, plain vs every USDA reference food
USDA reference (whole) foods with a protein value
12 Top 43% higher than 57% of 7,880 USDA reference foods
Each bar is a band; taller bars hold more USDA reference foods. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source USDA FoodData Central, SR Legacy & Foundation · August 2026
Full Nutrient Breakdown
Every nutrient USDA reports for this food, per 100 g, with each value's share of the FDA Daily Value shown as a bar.
Macronutrients
| Nutrient | Amount | % DV |
|---|---|---|
| Carbohydrate, by difference | 67.9 G | 25% |
| Energy | 374 KCAL | |
| Fiber, total dietary | 10.5 G | 38% |
| Protein | 12.4 G | 25% |
| Total Sugars | 4.9 G | |
| Total lipid (fat) | 6.2 G | 8% |
| Alcohol, ethyl | 0.00 G | |
| Caffeine | 0 MG | |
| Theobromine | 0 MG | |
| Water | 10.3 G |
Vitamins
| Nutrient | Amount | % DV |
|---|---|---|
| Choline, total | 38 MG | |
| Folate, DFE | 233.0 UG | |
| Folate, food | 30.0 UG | |
| Folate, total | 150.0 UG | |
| Folic acid | 119.0 UG | |
| Niacin | 7 MG | |
| Riboflavin | 1 MG | |
| Thiamin | 1 MG | |
| Vitamin B-12 | 0.9 UG | |
| Vitamin B-12, added | 0.9 UG | |
| Vitamin B-6 | 1 MG | |
| Vitamin C, total ascorbic acid | 23 MG | |
| Vitamin E, added | 0 MG | |
| Vitamin K (phylloquinone) | 1.9 UG |
Minerals
| Nutrient | Amount | % DV |
|---|---|---|
| Calcium, Ca | 368 MG | 28% |
| Iron, Fe | 31 MG | 172% |
| Potassium, K | 342 MG | 7% |
| Sodium, Na | 506 MG | 22% |
| Carotene, alpha | 0.0 UG | |
| Carotene, beta | 0.0 UG | |
| Copper, Cu | 0 MG | |
| Cryptoxanthin, beta | 0.0 UG | |
| Lycopene | 0.0 UG | |
| Magnesium, Mg | 130 MG | |
| Phosphorus, P | 387 MG | |
| Retinol | 0.0 UG | |
| Selenium, Se | 27.3 UG | |
| Vitamin A, RAE | 0.0 UG | |
| Vitamin D (D2 + D3) | 5.0 UG | |
| Vitamin E (alpha-tocopherol) | 0 MG | |
| Zinc, Zn | 3 MG |
Lipids
| Nutrient | Amount | % DV |
|---|---|---|
| Cholesterol | 0 MG | 0% |
| Fatty acids, total saturated | 1.0 G | 5% |
| Fatty acids, total monounsaturated | 1.9 G | |
| Fatty acids, total polyunsaturated | 2.2 G | |
| MUFA 16:1 | 0.01 G | |
| MUFA 18:1 | 1.9 G | |
| MUFA 20:1 | 0.00 G | |
| MUFA 22:1 | 0.00 G | |
| PUFA 18:2 | 2.1 G | |
| PUFA 18:3 | 0.09 G | |
| PUFA 18:4 | 0.00 G | |
| PUFA 20:4 | 0.00 G | |
| PUFA 20:5 n-3 (EPA) | 0.00 G | |
| PUFA 22:5 n-3 (DPA) | 0.00 G | |
| PUFA 22:6 n-3 (DHA) | 0.00 G | |
| SFA 10:0 | 0.00 G | |
| SFA 12:0 | 0.02 G | |
| SFA 14:0 | 0.01 G | |
| SFA 16:0 | 0.89 G | |
| SFA 18:0 | 0.06 G | |
| SFA 4:0 | 0.00 G | |
| SFA 6:0 | 0.00 G | |
| SFA 8:0 | 0.00 G |
Other
| Nutrient | Amount | % DV |
|---|---|---|
| Lutein + zeaxanthin | 170.0 UG |
Key takeaways
- Cereal, O's, plain delivers 12.4g of protein per 100g, more than 57% of USDA whole foods. See the protein ranking
- It carries 374 calories per 100g.
- Its standout micronutrient is iron, fe, at 172% of the Daily Value per 100g.
- Based on its per-100g profile, it fits good fiber source patterns.
Nearby Foods
Foods in the same category with similar calorie content, useful for swaps, substitutions, and side-by-side comparison.
Cereal, multigrain
Cereal, O's, multigrain
Cereal, reduced sugar
Cereal, corn puffs
Cereal, other, plain
Cereal, corn squares
→ Compare Cereal, O's, plain side-by-side with Cereal and Cereal
Similar Protein Content
Other foods in the same category closest to 12.4g protein per 100g, useful for protein-matched substitutions.
Compare beyond this food group
Nationwide peers by calories & protein
Two USDA FDC-derived comparison paths for Cereal, O's, plain: nearest calories and nearest protein among indexable foods outside this food group (sr_legacy / foundation, calories ≥50 kcal or protein ≥5 g per 100 g). Same-group calorie and protein swaps stay in the sections above.
Similar calories (other groups)
Nearest indexable foods by kcal/100 g. This record: 374 kcal.
- Babyfood, cereal, high protein, with apple and orange, dry Δ 0 kcal 374 kcal25.4g protein
- Bread, salvadoran sweet cheese (quesadilla salvadorena) Δ 0 kcal 374 kcal7.1g protein
- Cake, snack cakes, creme-filled, sponge Δ 0 kcal 374 kcal3.5g protein
- Cake, yellow, enriched, dry mix Δ 0 kcal 374 kcal3.7g protein
Similar protein (other groups)
Nearest indexable foods by protein g/100 g. This record: 12.4g.
- Crackers, cheese, sandwich-type with peanut butter filling Δ 0.0 g protein 12.4g496 kcal
- Fish, flatfish (flounder and sole species), raw Δ 0.0 g protein 12.4g70 kcal
- Cereals ready-to-eat, GENERAL MILLS, CHEERIOS Δ 0.0 g protein 12.4g372 kcal
- Cheese, cottage, lowfat, 1% milkfat, lactose reduced Δ 0.0 g protein 12.4g74 kcal
Frequently Asked Questions
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Nutrition Guides
Learn how to interpret and use nutrition data effectively
Primary source data
Data Sources & Methodology
Data from USDA FoodData Central, April 2026 release. See our methodology.
Source: USDA FoodData Central (FDC ID 2708448) — USDA Survey database. Verify with USDA →
Source: FDA 2,000-calorie Daily Value reference — %DV computed against the USDA per-100g standardization basis.
Disclaimer: This information is for reference only and should not replace professional dietary advice. Nutrient content may vary by brand, preparation method, and seasonal factors.
All federal data sources used on this page
- USDA FoodData Central — SR Legacy — nutrient composition for generic and staple foods (Standard Reference lineage, final release April 2018). fdc.nal.usda.gov/data-documentation
- USDA FoodData Central — Foundation Foods — nutrient values from USDA's newer, most rigorously lab-analyzed dataset. fdc.nal.usda.gov/Foundation_Foods_Documentation
- USDA FoodData Central — Branded Foods — manufacturer-submitted label data for packaged products. fdc.nal.usda.gov/data-documentation
- USDA FoodData Central — FNDDS (Survey) — the Food and Nutrient Database for Dietary Studies, used in national nutrition surveys. ars.usda.gov/fndds
- FDA Nutrition Facts Label regulations — the Daily Value percentages and label format this page's figures are computed against. fda.gov/food/nutrition-facts-label
- FDA food allergen labeling (FALCPA + FASTER Act) — the Big 9 major-allergen disclosure rules referenced on this page. fda.gov/food-allergies
Download this food's nutrition facts as CSV (same per-100g USDA label nutrients shown above; CC0 basis, attribute GetFoodFacts + USDA FDC).
Data provenance
How this page is sourced
Every figure on GetFoodFacts is rendered directly from official USDA FoodData Central records, no number is typed in by an editor. Read our editorial standards and corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.