Mega Stud Oreo O’s, Post
i Photo: Open Food Facts contributors · CC BY-SA
Extruded cereals · United States

Mega Stud Oreo O’s

by Post · 16.5 oz · brand owner: POST
United States
NOVA4
390 kcalper 100 g · 20% of the reference intake
46.3 gof sugars per 100 g
Barcode (EAN-13)0884912320872
GS1 prefix088 · GS1 US
Additives10: E171, E321, E322…
AllergensGelatin, Gluten, Soybeans
0884912320872

Prefix 088 was issued by GS1 US. It tells you where the code was registered, not where the product was made.

Nutrition

Per 100 g, with the % Daily Value (2,000-calorie diet)
Nutrient100 gDaily Value
Calories390 kcal20%
Total fat4.9 g6%
Total carbohydrate85.4 g31%
Total sugars46.3 g—
Dietary fiber2.4 g9%
Protein4.9 g10%
Sodium0.46 g20%

Open Food Facts, ODbL, record updated March 4, 2026 · Daily Values: 21 CFR 101.9 (FDA).

Ingredients

As printed on the pack; allergens in bold

Corn flour, sugar, marshmallows (sugar, modified cornstarch, corn syrup, dextrose, gelatin, natural and artificial flavor, sodium hexametaphosphate), whole grain oat flour, cocoa (processed with alkali), canola oil, corn syrup, unbleached enriched flour (wheat flour, niacin, reduced iron, thiamin mononitrate (vitamin b1), riboflavin (vitamin b2), folic acid), salt, degermed corn meal, natural and artificial flavor, cornstarch, palm oil, titanium dioxide (color), unsweetened chocolate, high fructose corn syrup, leavening (baking soda and/or calcium phosphate), soy lecithin, bht (added to preserve freshness), ferric orthophosphate (source of iron), niacinamide (vitamin b3), zinc oxide, thiamin mononitrate (vitamin b1), calcium pantothenate (vitamin b5), pyridoxine hydrochloride (vitamin b6), folic acid.

  • E171Titanium dioxideColor
  • E321Butylated hydroxytolueneAntioxidant
  • E322LecithinsAntioxidant · Emulsifier
  • E322iLecithinAntioxidant · Emulsifier
  • E341Calcium phosphatesEmulsifier · Humectant · Sequestrant · Stabilizer · Thickener
  • E428Gelatin
  • E452PolyphosphatesEmulsifier · Humectant · Sequestrant · Stabilizer · Thickener
  • E452iSodium polyphosphateEmulsifier · Humectant · Sequestrant · Stabilizer · Thickener
  • E500Sodium carbonatesStabilizer · Thickener
  • E500iiSodium hydrogen carbonateStabilizer · Thickener

Source: Open Food Facts, ODbL · additive names and functions: Open Food Facts taxonomy.

USDA label data

Serving size 1 1/4 cup (41 g), as declared by the brand to USDA FoodData Central
NutrientPer serving% Daily Value
Calories160 kcal—
Total fat2.0 g3%
Saturated fat0.0 g0%
Sodium190 mg8%
Total carbohydrate35 g13%
Dietary fiber1.0 g4%
Total sugars19 g—
Protein1.0 g—
Servings per package
About 11
USDA food category
Cereal
Data provider
Label Insight
In FoodData Central
Since February 16, 2023 · label data updated May 6, 2020
FDC ID
2470814

Per-serving amounts are calculated by Shelfpedia from USDA’s per-100 g (or per-100 mL) figures, so they can differ from the rounded numbers printed on the package. % Daily Value uses the FDA Daily Values (21 CFR 101.9).

Source: U.S. Department of Agriculture, Agricultural Research Service. FoodData Central, 2026 (Branded Foods, October 2026 release) · public domain (CC0 1.0).

Who makes it

Brand owner

POST

Open Food Facts, ODbL

In its category

Position among 274 “extruded cereals” products sold in the United States
Sugars46.3 g · median 28.2 g
Salt1.2 g · median 1.2 g

100% of products in the category contain less sugar than this one. The thin line marks the category median.

See all products in “Extruded cereals” →

Shelfpedia calculation from Open Food Facts (ODbL) and USDA FoodData Central (CC0) records in the same category sold in the United States, values per 100 g.

Climate impact

3.40kg CO₂e per kg

Reference value for the category “Breakfast cereals”: 3.40 kg CO₂e per kg of product (closest product in Agribalyse).

Calculated by ADEME for the average product consumed in France, from field to plate. It describes the category, not this exact product.

Source: Agribalyse 3.1 (ADEME), Licence Ouverte, update of 30 June 2026 · category match: Open Food Facts taxonomy.

Countries of sale

Sold under this barcode in the United States
United States

Source: Open Food Facts, countries of sale reported by contributors.

Sources

Every block on this page cites its source

Spotted an error? It is fixed at the source, on Open Food Facts, and shows up here at the next update.

How to store it

USDA FoodKeeper guidance for Cereal (ready-to-eat) (Shelf Stable Foods).

WhereHow longNote
Pantry · from date of purchase6–12 months
Pantry · after opening2–3 months

Storage times: USDA FoodKeeper (Food Safety and Inspection Service), public domain. Matched by product category.