What is one serving of mini M&M's? A Guide to Portion Size
                                
                                
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                                    1 min read                                
                            
                                According to the official M&M's website, a standard serving size for mini M&M's is 2 tablespoons (25g), containing approximately 120 calories. This guideline is essential for anyone tracking their intake of the popular snack and helps clarify what is one serving of mini M&M's in a meaningful way.