Supplement stacks / Amiodarone + St Johns Wort

Can You Take Amiodarone with St Johns Wort?

St. John's Wort is known to interact with many medications, including amiodarone, potentially reducing its effectiveness. This combination poses significant risks and should be avoided unless supervised by a healthcare provider.

Safety at a glance
High risk
Safety score3/10

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.

Known interactions

St. John's Wort may induce cytochrome P450 enzymes, potentially decreasing the plasma concentration of amiodarone, leading to reduced therapeutic effects.

Amiodarone

Effective antiarrhythmic medication but has a complex side effect profile.

Typical dosage: 200-400 mg daily, based on clinical indication

Common side effects:
  • Thyroid dysfunction
  • Pulmonary toxicity
  • Liver enzyme elevation
Warnings:
  • Regular monitoring of thyroid function and liver enzymes is recommended.
  • Avoid use with drugs that prolong QT interval.
St. John's Wort

Generally considered safe for short-term use but can interact with various medications.

Typical dosage: 300-900 mg daily, divided into doses

Common side effects:
  • Gastrointestinal upset
  • Fatigue
  • Allergic skin reactions
Warnings:
  • May cause photosensitivity; avoid excessive sun exposure.
  • Consult healthcare provider before use with other medications.
Timing

St. John's Wort should not be taken with amiodarone. If considering other supplements, consult your healthcare provider for appropriate timing.

Recommendations
  • Avoid taking St. John's Wort while on amiodarone.
  • Consult with a healthcare provider for alternative treatments for mood support.
Watch out for
  • Do not combine St. John's Wort with amiodarone due to the risk of reduced drug efficacy. Consult your healthcare provider for alternatives.
Frequently asked questions

Can you take Amiodarone and St Johns Wort together?

St. John's Wort is known to interact with many medications, including amiodarone, potentially reducing its effectiveness. This combination poses significant risks and should be avoided unless supervised by a healthcare provider.

How safe is the Amiodarone and St Johns Wort combination?

Our analysis of publicly available medical sources scores this combination 3/10 (high risk). This is an informational estimate, not medical advice — always confirm with a healthcare professional.

When should you take Amiodarone and St Johns Wort?

St. John's Wort should not be taken with amiodarone. If considering other supplements, consult your healthcare provider for appropriate timing.

What should you watch out for when combining Amiodarone and St Johns Wort?

Do not combine St. John's Wort with amiodarone due to the risk of reduced drug efficacy. Consult your healthcare provider for alternatives.

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Analysis generated August 11, 2026 · Sources include NIH, Mayo Clinic, WebMD, and Examine.com · How our analysis works