NutriStack
Berberine and Glipizide, a caution.
Both glipizide and berberine lower blood glucose. Glipizide stimulates insulin secretion; berberine activates AMPK. Combined use significantly increases hypoglycemia risk.
One pair, every claim cited. The two substances, the type, the mechanism, the recommendation, and the primary literature.
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What the row says.
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At a glance
- Pair type
- Caution
- Evidence (highest tier)
- Moderate
- Source citations
- 2 sources
- Stack Score effect
- −5 to your Stack Score (per scored caution row).
- Scope
- Supplement × Prescription
- Last verified
- May 30, 2026
Caution · Moderate evidence
Caution
What is happening. Both glipizide and berberine lower blood glucose. Glipizide stimulates insulin secretion; berberine activates AMPK. Combined use significantly increases hypoglycemia risk.
Mechanism. Glipizide blocks KATP channels on pancreatic beta cells, stimulating insulin release. Berberine activates AMPK and enhances insulin sensitivity through a different pathway. Additive glucose lowering creates hypoglycemia risk.
Recommendation. Monitor blood glucose closely. If adding berberine, start at low dose and may need glipizide dose reduction. Inform your prescriber.
Sources (2)
- Yin J et al. Efficacy of berberine in patients with type 2 diabetes mellitus. Metabolism. 2008;57(5):712-717. PMID 18442638
- Asbaghi O, Ghanbari N, Shekari M et al.. The effect of berberine supplementation on obesity parameters, inflammation and liver function enzymes: A systematic review and meta-analysis of randomized controlled trials.. Clinical Nutrition ESPEN. 2020. PMID 32690176
Stack Score
How this pair moves the number.
Effect on the composite score
If both Berberine and Glipizide are in the same stack, this pair applies −5 to your Stack Score (per scored caution row).
The full algorithm, the clamping rules, and four worked stacks are documented at /methodology/stack-score.
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