Is White Kidney Bean Safe with Metformin?
Free · No account · based on published sources including NIH ODS, FDA drug labels, and peer-reviewed literature
Monitor blood sugar levels regularly. Report any hypoglycemia symptoms to your doctor. Ensure your physician is aware you are taking this supplement so medication doses can be reviewed if needed.
Why this interaction occurs
White kidney bean extract inhibits alpha-amylase, reducing carbohydrate digestion and postprandial glucose absorption. Combined with Metformin's glucose-lowering mechanism, this may produce an additive hypoglycemic effect beyond desired therapeutic targets.
Evidence
Evidence level: moderate.
Reported safety data
The FDA’s adverse event reporting system (FAERS) has received 432,898 reports mentioning Metformin. This reflects reported cases involving the medication in general — not confirmed causation, and not specific to the Metformin + supplement combination on this page.
FAERS reports are voluntary and cannot prove that a drug caused an event. Do not use report counts to assess the safety of this specific drug-supplement pair.
Frequently asked questions
Related interactions
All White Kidney Bean interactions → · All Metformin interactions →
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Educational only — not medical advice.
Always confirm with your doctor or pharmacist.