Two commonly deficient nutrients in people with T2D — understanding deficiency-driven use vs glycemic claims. 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, treatment, or individualized
Reviewed by Sarah Chen, MD (illustrative reviewer) — MD, Internal Medicine. Last reviewed: May 2026. Educational content only; not medical advice.