How Many Carbs Are Allowed on Carb Smart? A Guide to Smart Carb Choices
                                
                                
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                                    5 min read                                
                            
                                A 2025 Harvard-led study found that consuming high-quality carbs can significantly increase the chances of healthy aging, which suggests that the quality of your carbohydrate sources is the key factor when considering **how many carbs are allowed on Carb Smart**, rather than focusing on a single, restrictive number.