Is Marshmallow Creme Keto? An Expert Analysis
No, Marshmallow Creme is not keto-friendly. While it is light and fluffy, this classic dessert topping is essentially pure sugar and corn syrup. For anyone following a strict ketogenic diet, consuming Marshmallow Creme will immediately exceed your daily carbohydrate limit and kick you out of ketosis.
The Ingredient Breakdown
As a food scientist, looking at the ingredient list for standard Marshmallow Creme reveals exactly why it fails the keto test. The first two ingredients are CORN SYRUP and SUGAR. In the food industry, ingredients are listed by weight, meaning these two items make up the vast majority of the product.
Corn Syrup is a liquid sweetener derived from corn starch. It is almost 100% glucose. On keto, we aim to limit glucose to force the body to burn fat. Ingesting corn syrup causes an immediate and massive insulin response, which halts fat burning. Furthermore, corn is a grain, and while highly processed corn syrup is mostly carbs, it is derived from a source many low-carb dieters prefer to avoid entirely.
The SUGAR listed here is typically refined white sugar (sucrose), which is a disaccharide composed of 50% glucose and 50% fructose. This combination is metabolically identical to high-fructose corn syrup in terms of its impact on blood sugar. Even a small serving contains enough sugar to knock you out of ketosis. The EGG WHITES and XANTHAN GUM provide structure and texture, but they contribute negligible carbs compared to the sweeteners dominating the formula.
Nutritional Value
When evaluating Marshmallow Creme through the lens of a ketogenic diet, the macronutrient profile is the deciding factor. A standard serving (two tablespoons) contains roughly 22 grams of carbohydrates. Since the ketogenic diet typically restricts total daily carbohydrates to 20-50 grams, a single serving of this topping consumes nearly your entire allowance for the day.
There is virtually no fat or protein in Marshmallow Creme to slow down the absorption of the sugar. This means it acts almost like a pure glucose injection into your bloodstream. While it provides quick energy (calories), it offers no satiety or nutritional density. For a diet that relies on fat for fuel, a product with 0 grams of fat and high sugar is the exact opposite of what is required.
Frequently Asked Questions
Does Marshmallow Creme contain dairy or gluten?
Is Marshmallow Creme good for weight loss?
Where can I buy Marshmallow Creme?
Is Marshmallow Creme safe for kids?

Marshmallow Creme
Keto Analysis
We recommend searching for certified Keto alternatives.
Pro Tip
Always double-check the label. Manufacturers change ingredients frequently without notice!




