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Rice Krispies Treats Original Mega Size
Rice Krispies Treats Original Mega Size by Kellogg's provides 419 kcal per 100 g, with 33.9 g of sugars and 3.2 g of protein. That is 39% more sugar than the average product in this category. Its Nutri-Score is E and it is classified as NOVA 4 (ultra-processed food). It is listed in the Cereal bars category and comes in a 2.2oz pack. Contains: gelatin, milk, soybeans.
Nutrient levels per 100 g
Levels use UK front-of-pack reference thresholds.
Nutrition facts
Serving size: 1 Bar (62 g)
| Nutrient | Per 100 g | Per serving | % DV* | Category avg |
|---|---|---|---|---|
| Calories | 419 kcal | 260 kcal | 410 | |
| Total fat | 9.7 g | 6 g | 8% | 15 −35% |
| Saturated fat | 2.4 g | 1.5 g | 8% | 5 −52% |
| Carbohydrates | 77.4 g | 48 g | 17% | 59.7 +30% |
| Total sugars | 33.9 g | 21 g | 24.4 +39% | |
| Added sugars | 33.9 g | 21 g | 42% | 19.1 +78% |
| Dietary fiber | 0 g | 0 g | 0% | 7.6 −100% |
| Protein | 3.2 g | 2 g | 4% | 8.6 −63% |
| Salt | 1.2 g | 0.7 g | 0.5 +121% |
*% Daily Value for a serving, based on a 2,000-calorie diet (FDA reference values). Category average across 2184 Cereal bars products on Foodmetria.
Serving size from the US product label in USDA FoodData Central, label data from February 2026. Other values: Open Food Facts.
Compared with other cereal bars
Bar shows the share of products in this category that contain less of the nutrient.
Ingredients
toasted rice cereal (rice, sugar, salt, malt flavor, niacinamide, reduced iron, vitamin b2 [riboflavin], folic acid), corn syrup, fructose, vegetable oil (soybean and palm oil with tbhq for freshness), sugar, corn syrup solids. contains 2% or less of vegetable glycerin, dextrose, gelatin, natural and artificial flavors (contains milk).
- Allergens
- GelatinMilkSoybeans
Additives 2
Overexposure risk is based on EFSA evaluations as recorded by Open Food Facts.
Product details
- Quantity
- 2.2oz
- Serving size
- 1 Bar (62 g)
- Sold in
- United States
- Barcode
- 0038000590993
Prices reported by shoppers
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Frequently asked questions
How many calories are in Rice Krispies Treats Original Mega Size?
Rice Krispies Treats Original Mega Size contains 419 kcal per 100 g and about 260 kcal per serving (1 Bar (62 g)).
How much sugar is in Rice Krispies Treats Original Mega Size?
Rice Krispies Treats Original Mega Size has 33.9 g of sugars per 100 g, which is considered high by UK front-of-pack guidelines.
Is Rice Krispies Treats Original Mega Size healthy?
It has a Nutri-Score of E (A is best, E is worst); it is in NOVA group 4 — ultra-processed food. Scores describe nutritional quality and processing, not suitability for your individual diet.
Is Rice Krispies Treats Original Mega Size vegan?
Based on its ingredient list, it is not vegan.
What allergens does Rice Krispies Treats Original Mega Size contain?
According to the label data it contains: Gelatin, Milk, Soybeans. Recipes change — always check the package label.
Source: Open Food Facts (ODbL). Last updated August 21, 2026. Spotted a mistake? Edit this product on Open Food Facts. Not medical advice — always check the package label.
Reviews
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