How many calories are in a jumbo marshmallow?
                                
                                
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                                    4 min read                                
                            
                                According to nutrition data for leading brands, a single jumbo marshmallow contains approximately 90 to 100 calories, with most of those calories coming from sugar and carbohydrates. These fluffy, oversized treats are a staple for s'mores and other desserts, making it important to understand how many calories are in a jumbo marshmallow for those managing their dietary intake.