Supplement stacks / Methylene Blue + St Johns Wort
Can You Take Methylene Blue with St Johns Wort?
Methylene blue and St. John's Wort may interact, particularly due to St. John's Wort's effects on liver enzymes, which could alter the metabolism of methylene blue. Both supplements have limited evidence regarding their safety and efficacy, and caution is advised when combining them.
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, potentially affecting the metabolism of methylene blue.
Generally safe when used as directed; may cause discoloration of urine and potential serotonin syndrome at high doses.
Typical dosage: 1-2 mg/kg for specific medical conditions.
- Urine discoloration
- Nausea
- Headache
- Use caution in patients with serotonin syndrome risk.
- Consult healthcare provider before use.
Generally considered safe for short-term use; may cause photosensitivity and gastrointestinal upset.
Typical dosage: 300-900 mg daily, divided into doses.
- Gastrointestinal upset
- Fatigue
- Photosensitivity
- May interact with various medications, including antidepressants and anticoagulants.
- Consult healthcare provider before use.
St. John's Wort may be taken in the morning to align with its energizing effects, while methylene blue should be taken as directed by a healthcare provider.
- Consult with a healthcare provider before combining St. John's Wort and methylene blue.
- Monitor for any unusual side effects or changes in mood.
- Take St. John's Wort and methylene blue at least 4 hours apart to minimize potential interaction.
Can you take Methylene Blue and St Johns Wort together?
Methylene blue and St. John's Wort may interact, particularly due to St. John's Wort's effects on liver enzymes, which could alter the metabolism of methylene blue. Both supplements have limited evidence regarding their safety and efficacy, and caution is advised when combining them.
How safe is the Methylene Blue and St Johns Wort combination?
Our analysis of publicly available medical sources scores this combination 5/10 (medium risk). This is an informational estimate, not medical advice — always confirm with a healthcare professional.
When should you take Methylene Blue and St Johns Wort?
St. John's Wort may be taken in the morning to align with its energizing effects, while methylene blue should be taken as directed by a healthcare provider.
What should you watch out for when combining Methylene Blue and St Johns Wort?
Take St. John's Wort and methylene blue at least 4 hours apart to minimize potential interaction.
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