How many calories are in a choy sum? A complete nutritional guide
                                
                                
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                                    3 min read                                
                            
                                With approximately 24 to 30 calories per 100 grams when raw, choy sum is an incredibly low-calorie and nutrient-dense leafy green vegetable. This popular Asian green offers a wealth of vitamins and minerals, making it a fantastic addition to any healthy eating plan. The calorie count can vary slightly depending on preparation, but its core nutritional benefits remain impressive.