Is Pectin Safe with Digoxin?
Free · No account · based on published sources including NIH ODS, FDA drug labels, and peer-reviewed literature
Take digoxin at least 2 hours before pectin supplementation. Never take them simultaneously. Monitor digoxin serum levels and clinical response when pectin is added or discontinued.
Why this interaction occurs
Pectin has been documented to bind digoxin in the GI tract, reducing its oral bioavailability. Digoxin has a narrow therapeutic index, and even small reductions in absorption can result in subtherapeutic serum levels, potentially leading to loss of rate control in atrial fibrillation or heart failure decompensation. Clinical studies have shown significant reductions in digoxin AUC with concurrent pectin administration.
Evidence
Evidence level: strong.
Reported safety data
The FDA’s adverse event reporting system (FAERS) has received 64,171 reports mentioning Digoxin. This reflects reported cases involving the medication in general — not confirmed causation, and not specific to the Digoxin + 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 Pectin interactions → · All Digoxin interactions →
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Educational only — not medical advice.
Always confirm with your doctor or pharmacist.