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How Many Calories in Cereals Ready-to-eat, Kellogg, Kellogg'S Marshmallow Froot Loops?

✓ Nutrition data reviewed against USDA FoodData Central and Public Health England guidance by Jordan Morley, Editorial Reviewer. Last reviewed: 27 October 2026.

Fact-checked against original USDA source data by Jordan Morley, Editorial Reviewer. Not a registered dietitian — nutrition figures are sourced directly from USDA FoodData Central, not independently assessed medical advice.

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376
calories per 100g
109 calories per 1 cup (29g)
4.6gProtein
89.3gCarbs
2.8gFat
7.4gFibre

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⚖ Kitchen Scales

Quick reference — common serving sizes

AmountCaloriesProtein
1 oz (28g)107 kcal1.3g
100g376 kcal4.6g
grams
376kcal
4.6gprotein
89.3gcarbs
2.8gfat
7.4gfibre

A cereals ready-to-eat, kellogg, kellogg's marshmallow froot loops contains 376 calories per 100g. A typical 1 cup (29g) provides about 109 calories. Cereals Ready-to-eat, Kellogg, Kellogg'S Marshmallow Froot Loops is high in calories. Accurate tracking starts with weighing portions — a digital kitchen scale removes all the guesswork.

Cereals Ready-to-eat, Kellogg, Kellogg'S Marshmallow Froot Loops Nutrition Facts

NutrientPer 100gPer serving (29g)
Calories376 kcal109 kcal
Protein4.6g1.3g
Carbohydrates89.3g25.9g
of which Sugars49.9g14.5g
Fat2.8g0.8g
of which Saturates1.5g0.4g
Fibre7.4g2.1g
Sodium393.0mg114mg
Potassium95.0mg28mg
Calcium9.0mg3mg
Iron15.5mg4.5mg
Vitamin C52.0mg15.1mg
Vitamin A507.0µg147µg
Selenium8.5µg2µg
Riboflavin (B2)1.5mg0.4mg

% of Daily Value (per 100g)

Based on a standard 2,000-calorie reference diet — the same basis used on nutrition labels in the US and UK.

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Portion Control Containers

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Have a cat or dog? Check whether cereals ready-to-eat, kellogg, kellogg's marshmallow froot loops is safe for your dog or safe for your cat before sharing. Also check the full ingredient breakdown and food safety guide for pregnancy and storage advice. Use a meal prep container set to portion out cereals ready-to-eat, kellogg, kellogg's marshmallow froot loops for the week. Tracking supplements too? Check drug and supplement interactions before combining anything new.

Good to know

Check the actual serving size on packaging before comparing to the per-100g figures here — snack portions are often smaller (or larger) than 100g.

Does cereals ready-to-eat, kellogg, kellogg's marshmallow froot loops fit your diet?

Fibre intake

Cereals Ready-to-eat, Kellogg, Kellogg'S Marshmallow Froot Loops provides 7.4g of fibre per 100g — a meaningful contribution toward the commonly cited 25-30g daily target, which supports digestion and helps with feeling fuller for longer.

Frequently Asked Questions

How many calories in cereals ready-to-eat, kellogg, kellogg's marshmallow froot loops per 100g?

Cereals Ready-to-eat, Kellogg, Kellogg'S Marshmallow Froot Loops contains 376 calories per 100g, based on USDA reference data.

Is cereals ready-to-eat, kellogg, kellogg's marshmallow froot loops high in calories?

A 1 cup of cereals ready-to-eat, kellogg, kellogg's marshmallow froot loops (29g) has around 109 calories — roughly 5% of a 2,000-calorie daily intake.

Is cereals ready-to-eat, kellogg, kellogg's marshmallow froot loops good for weight loss?

Cereals Ready-to-eat, Kellogg, Kellogg'S Marshmallow Froot Loops is fairly calorie-dense at 376 calories per 100g, so portion size matters when losing weight. A 1 cup provides about 109 calories.

How much protein is in cereals ready-to-eat, kellogg, kellogg's marshmallow froot loops?

Cereals Ready-to-eat, Kellogg, Kellogg'S Marshmallow Froot Loops contains 4.6g of protein per 100g.

Is cereals ready-to-eat, kellogg, kellogg's marshmallow froot loops a good source of fibre?

Yes — cereals ready-to-eat, kellogg, kellogg's marshmallow froot loops provides 7.4g of fibre per 100g, which is a meaningful contribution toward the commonly cited 28g daily reference intake.

How does cereals ready-to-eat, kellogg, kellogg's marshmallow froot loops compare to cereals ready-to-eat, general mills, cheerios?

Cereals Ready-to-eat, Kellogg, Kellogg'S Marshmallow Froot Loops has 376 calories per 100g, close to cereals ready-to-eat, general mills, cheerios at 376 — 0 calories fewer per 100g. See the full macro breakdown above.

How many servings of cereals ready-to-eat, kellogg, kellogg's marshmallow froot loops for 20g of protein?

With 4.6g of protein per 100g, you'd need roughly 435g of cereals ready-to-eat, kellogg, kellogg's marshmallow froot loops to reach 20g of protein

Foods with a similar calorie count

Other snacks closest to cereals ready-to-eat, kellogg, kellogg's marshmallow froot loops by calories per 100g:

FoodCaloriesProteinCarbsFat
Cereals Ready-to-eat, Kellogg, Kellogg'S Marshmallow Froot Loops (this page)376 kcal4.6g89.3g2.8g
Cereals Ready-to-eat, General Mills, Cheerios376 kcal12.1g73.2g6.7g
Cereals Ready-to-eat, Post, Grape-Nuts Flakes376 kcal9.4g82.0g3.7g
Cereals Ready-to-eat, General Mills, Honey Nut Cheerios376 kcal8.8g79.7g5.0g
Cereals Ready-to-eat, General Mills, Frosted Cheerios376 kcal9.0g79.8g4.7g
Cereals Ready-to-eat, General Mills, Berry Berry Kix376 kcal6.2g83.9g4.2g
Cereals Ready-to-eat, Kashi, Heart To Heart, Oat Flakes & Blueberry Clusters376 kcal10.4g80.3g3.8g

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Nutrition data: USDA FoodData Central (public domain, CC0 1.0). Values are per 100g unless stated.