Whole food · Breakfast Cereals
Photo: Wikipedia
Malt-O-Meal Chocolate Marshmallow Mateys is a sweet, crunchy ready-to-eat cereal featuring chocolate-flavored oat pieces and colorful dehydrated marshmallow shapes. It delivers a nostalgic, sugary crunch with a light, airy texture. Nutritionally, it is a high-carbohydrate, high-sugar option providing quick energy but minimal protein or fat.
Calorie split: 4% protein · 88% carbs · 8% fat
↓ Full nutritionPeople love it for the sweet, chocolatey flavor and the playful, crunchy texture contrast with the marshmallows. It evokes strong childhood nostalgia and is a beloved, convenient breakfast or snack staple.
The very high sugar content (over 55g per 100g) can lead to rapid blood-sugar spikes and crashes, offering little sustained energy. To counteract this, pair it with a source of protein (like milk or yogurt) or healthy fat (like nuts) to slow digestion, and practice strict portion control by measuring a single serving.
Malt-O-Meal, the brand, was founded in 1919 and was one of the first to sell hot cereal in a box; their ready-to-eat cereals, like this one, are produced in a massive facility in Northfield, Minnesota, that can produce over 2 million pounds of cereal per day.
| Water | 2.0 g |
| Energy | 392 kcal |
| Energy | 1642 kj |
| Protein | 3.5 g |
| Total lipid (fat) | 3.7 g |
| Ash | 2.6 g |
| Carbohydrate, by difference | 88.2 g |
| Fiber, total dietary | 2.5 g |
| Total Sugars | 55.5 g |
| Calcium, Ca | 267 mg |
| Iron, Fe | 24.0 mg |
| Magnesium, Mg | 30.0 mg |
| Phosphorus, P | 85.0 mg |
| Potassium, K | 183 mg |
| Sodium, Na | 368 mg |
| Zinc, Zn | 10.0 mg |
| Vitamin C, total ascorbic acid | 16.0 mg |
| Thiamin | 1.0 mg |
| Riboflavin | 1.1 mg |
| Niacin | 13.3 mg |
| Vitamin B-6 | 1.3 mg |
| Folate, total | 533 ug |
| Folic acid | 514 ug |
| Folate, food | 19.0 ug |
| Folate, DFE | 893 ug |
| Vitamin B-12 | 4.0 ug |
| Vitamin A, IU | 1333 iu |
| Vitamin E (alpha-tocopherol) | 0.00 mg |
| Vitamin D (D2 + D3), International Units | 133 iu |
| Vitamin D (D2 + D3) | 3.3 ug |
| Vitamin D3 (cholecalciferol) | 3.3 ug |
| Vitamin K (phylloquinone) | 0.00 ug |
| Caffeine | 5.0 mg |
| Fatty acids, total saturated | 1.6 g |
| Fatty acids, total monounsaturated | 1.6 g |
| Fatty acids, total polyunsaturated | 0.00 g |
| Fatty acids, total trans | 0.00 g |
| Cholesterol | 0.00 mg |
Is Chocolate Marshmallow Mateys a healthy breakfast?
It is considered a sugary treat rather than a nutritionally balanced breakfast. While it is fortified with vitamins, its high sugar and low protein/fat content means it provides quick energy but lacks staying power. It's best enjoyed occasionally or paired with protein-rich foods like Greek yogurt or milk.
What are the main ingredients?
The primary ingredients are whole grain oat flour, sugar, corn flour, and dehydrated marshmallows (sugar, corn starch, and food coloring). It also contains cocoa processed with alkali, salt, and a vitamin/mineral blend.
Can it be part of a weight management plan?
Due to its high calorie density from sugar and low satiety factors (protein, fiber, fat), it can be challenging for weight management. A measured portion (about 1 cup or 40g) can fit into a calorie-controlled plan, but it's crucial to account for its calories and pair it with filling foods to avoid overeating.
NRF9.3 index — Fulgoni, Keast & Drewnowski, 2009. Computed from USDA nutrients.
Composite of energy density (Rolls et al., 1999), protein & fiber satiety, minus sugar. A calculated heuristic — ranks satiety-per-calorie, not a clinical measure.
Sodium-to-potassium ratio: 2.01 (lower is better — aim for ≤ 1)
Sodium:potassium per WHO potassium guidance. Computed from USDA nutrients.