How to Use This Library
Ingredient evidence is not the same as product evidence. Each entry focuses on human research, dose relevance and safety.
Berberine
One of the better-studied supplement compounds in metabolic research.
Other Reported Ingredients
Gymnema, cinnamon, alpha-lipoic acid, bitter melon, chromium and banaba are commonly reported in public GlucoExtend descriptions. Verify the current product label before assuming inclusion.
Evidence Hierarchy
We prioritize systematic reviews, randomized trials, official health-agency references and the current product label.
Dose Matters
Study findings cannot be transferred reliably when the supplement’s dose or extract type is unknown.
Safety Matters
Glucose-active ingredients can interact with medication or contribute to hypoglycemia.
Sources & References
- GlucoExtend affiliate program and disclosure information
- FDA: Dietary Supplements
- NIH ODS: Chromium
- PubMed: berberine and glucose reviews
Related Research
Editorial owner: GlucoExtend Reviews Editorial Team · Last reviewed: October 5, 2026