Supplement stacks / Digoxin + St Johns Wort
Can You Take Digoxin with St Johns Wort?
St. John's Wort may interact with digoxin, potentially affecting its efficacy and safety. Caution is advised when considering the use of St. John's Wort alongside digoxin, and consultation with a healthcare provider is essential.
Conservative, AI-assisted reading of publicly available medical sources (NIH, Mayo Clinic, WebMD, Examine.com). Informational only — it can't account for your medications, conditions, or genetics.
St. John's Wort may induce cytochrome P450 enzymes, which could lead to decreased levels of digoxin in the body, potentially reducing its effectiveness.
Effective for heart conditions but requires careful monitoring due to narrow therapeutic index.
Typical dosage: 0.125-0.25 mg daily, depending on individual needs
- Nausea
- Vomiting
- Dizziness
- Visual disturbances
- Monitor for signs of digoxin toxicity, especially if taking other interacting substances.
- Regular blood level checks may be necessary.
Generally considered safe for short-term use; however, it can interact with various medications.
Typical dosage: 300-900 mg daily, divided into doses
- Gastrointestinal upset
- Fatigue
- Allergic skin reactions
- Consult healthcare provider before use, especially if taking other medications like digoxin.
- May cause photosensitivity.
These come up in questions about this combination — they are not part of the pair above.
Magnesium
Generally safe; important for heart health and may help mitigate some side effects of digoxin.
Typical dosage: 310-420 mg daily, depending on age and gender
- Diarrhea
- Nausea
- Abdominal cramping
- High doses can lead to hypermagnesemia; consult healthcare provider if on digoxin.
Coenzyme Q10
Generally safe; may support heart health and improve energy levels.
Typical dosage: 100-200 mg daily
- Mild gastrointestinal upset
- Insomnia
- Consult healthcare provider if on digoxin; may affect blood pressure.
Omega-3 Fatty Acids
Generally safe; beneficial for cardiovascular health.
Typical dosage: 1000-3000 mg daily
- Fishy aftertaste
- Gastrointestinal discomfort
- Consult healthcare provider if on anticoagulants or digoxin.
St. John's Wort should be taken consistently at the same time each day to maintain stable levels in the body.
- Consult with a healthcare provider before starting St. John's Wort while on digoxin.
- Consider monitoring digoxin levels more frequently if St. John's Wort is initiated.
- Take St. John's Wort and digoxin at least 4 hours apart to minimize interaction risk.
Can you take Digoxin and St Johns Wort together?
St. John's Wort may interact with digoxin, potentially affecting its efficacy and safety. Caution is advised when considering the use of St. John's Wort alongside digoxin, and consultation with a healthcare provider is essential.
How safe is the Digoxin and St Johns Wort combination?
Our analysis of publicly available medical sources scores this combination 4/10 (high risk). This is an informational estimate, not medical advice — always confirm with a healthcare professional.
When should you take Digoxin and St Johns Wort?
St. John's Wort should be taken consistently at the same time each day to maintain stable levels in the body.
What should you watch out for when combining Digoxin and St Johns Wort?
Take St. John's Wort and digoxin at least 4 hours apart to minimize interaction risk.
Taking more than these two? Run your complete supplement list — plus any medications — through the live checker for a combined analysis.
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Analysis generated August 11, 2026 · Sources include NIH, Mayo Clinic, WebMD, and Examine.com · How our analysis works