Your fiber intake could use a boost!

A low-fiber diet impacts digestion, energy, cravings, and gut health. Just one daily scoop of Core Fiber makes it easy to get the fiber you need, keeping you regular, energized, and feeling your best!

4.9 Average Rating

Word On The Street

“Our ActiveFiber blend uses both soluble and insoluble fibers to synergistically regulate your metabolism and keep your digestion smooth and steady. More than just a fiber supplement, Core Fiber is your gut's ultimate performance fuel.”

Tiana

“Our ActiveFiber blend uses both soluble and insoluble fibers to synergistically regulate your metabolism and keep your digestion smooth and steady. More than just a fiber supplement, Core Fiber is your gut's ultimate performance fuel.”

Tiana

“Our ActiveFiber blend uses both soluble and insoluble fibers to synergistically regulate your metabolism and keep your digestion smooth and steady. More than just a fiber supplement, Core Fiber is your gut's ultimate performance fuel.”

Tiana

No additives. Just fiber that works harder than your spin class.

Our ActiveFiber prebiotic blend contains 5 powerful soluble and insoluble fiber strains that work together to nourish your gut over time.

The Stats That Matter

Superior Fiber for Superior Results

Core Fiber™ isn’t for those who accept mediocrity, who want to blend in, or who are okay with being average. We’re here for the doers, the strivers, the unapologetically ambitious.

Gut Microbiome + Performance Nutrition Experts

OUR SCIENTIFIC ADVISORY BOARD