Does Lion's Mane interact with Sertraline (Zoloft), Zepbound, and Unithyroid (Levothyroxine)?

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Last updated: July 5, 2025View editorial policy

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From the Research

I strongly advise consulting with a healthcare provider before combining Lion's Mane mushroom supplements with Sertraline (Zoloft), Zepbound, and Unithyroid (Levothyroxine) due to potential interactions that could impact morbidity, mortality, and quality of life. When considering the use of Lion's Mane with these medications, it's crucial to understand the potential interactions.

  • Lion's Mane may interact with Sertraline as both can affect serotonin levels, potentially increasing the risk of serotonin syndrome in some individuals 1.
  • With Levothyroxine (Unithyroid), Lion's Mane might interfere with thyroid hormone absorption or effectiveness, potentially requiring dosage adjustments 2.
  • Regarding Zepbound (tirzepatide), there is limited research on its interaction with Lion's Mane, but caution is warranted since Zepbound affects metabolic processes. If you decide to use Lion's Mane with these medications, start with a low dose and monitor for side effects like digestive issues, headaches, or changes in medication effectiveness. The timing of Lion's Mane consumption may also matter - taking it several hours apart from Levothyroxine could minimize potential absorption issues. These potential interactions occur because Lion's Mane contains bioactive compounds that may influence neurotransmitter systems, hormone regulation, and metabolic pathways that overlap with the mechanisms of these medications 3, 4. Given the most recent and highest quality study available 3, it's essential to prioritize caution and consult with a healthcare provider to minimize risks and ensure the best possible outcome in terms of morbidity, mortality, and quality of life.

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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