Cellulose is a natural, plant-based fiber that forms the structural component of plant cell walls. In supplements, it’s commonly used as a filler, binder, and capsule material, especially in vegetarian and vegan products. It helps maintain the shape and integrity of tablets and capsules without contributing calories or affecting nutrient absorption.

As an insoluble dietary fiber, cellulose also supports digestive health by adding bulk to stool and promoting regular bowel movements. Since it's non-toxic, non-allergenic, and derived from renewable sources, cellulose is a safe, effective, and eco-friendly ingredient widely used in nutritional and pharmaceutical formulations.