Why food-first approaches like dietary fiber have different evidence and safety profiles than supplements marketed for blood sugar. This page is part of the Diabetes Education hub on Evidence Before Claims. Content is for educational purposes only and is reviewed against peer-reviewed studies, FDA labeling, and current clinical guidelines. It does not provide diagnosis, treatme
Reviewed by Sarah Chen, MD (illustrative reviewer) — MD, Internal Medicine. Last reviewed: May 2026. Educational content only; not medical advice.