How many calories are in a bag of gummy worms? A nutrition diet perspective
                                
                                
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                                    3 min read                                
                            
                                While a typical serving of standard gummy worms (10-12 pieces) contains 100-150 calories and 15-25 grams of sugar, a definitive answer to *how many calories are in a bag of gummy worms?* is complex, as it varies dramatically based on bag size and brand. For example, a small 50-gram bag might have around 120 calories, whereas a large multi-serving bag could contain well over a thousand.