Stevia, a natural zero-calorie sweetener, generally does not cause diarrhea by itself. However, commercial stevia products blended with sugar alcohols like erythritol may cause digestive issues such as diarrhea, especially in sensitive individuals. Pure stevia is safe with far-reaching benefits for health-oriented food and beverage products. Responsible formulation and consumption minimize side effects while leveraging stevia's natural sweetness and low glycemic impact.

This article examines whether stevia, a natural zero-calorie sweetener, causes constipation. Scientific evidence shows stevia may disrupt gut bacterial interactions that affect digestion in sensitive individuals, but its direct impact on constipation is unclear. Additives like sugar alcohols often cause gastrointestinal symptoms. Using pure stevia moderately with a fiber-rich diet helps avoid constipation while enjoying stevia's health benefits.