Is Ganoderma lucidum (reishi mushroom) secreted in breast milk?

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Last updated: May 24, 2025View editorial policy

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From the Research

Reishi mushroom can potentially pass into breast milk, so it's generally recommended that breastfeeding mothers avoid using reishi supplements. There is limited scientific research on the safety of reishi mushroom during breastfeeding, which is why healthcare providers typically advise caution 1. The active compounds in reishi mushrooms, including triterpenes and polysaccharides, might transfer to breast milk and could potentially affect the nursing infant.

Some studies have explored the composition of breast milk and its potential to transfer compounds from the mother to the infant, highlighting the importance of considering the safety of any supplements during lactation 2. However, specific research on reishi mushroom and its safety during breastfeeding is lacking, making it essential to prioritize caution.

If you're currently breastfeeding and considering using reishi mushroom supplements, it's crucial to consult with your healthcare provider first. They can help you weigh the potential benefits against the unknown risks. Until more research is available on the safety of reishi during lactation, it's safest to avoid these supplements while breastfeeding or to use them only under medical supervision 3. Many of the claimed benefits of reishi, such as immune support, can be achieved through other means that have established safety profiles for nursing mothers.

Key considerations for breastfeeding mothers include:

  • The potential for reishi compounds to pass into breast milk
  • The lack of comprehensive research on the safety of reishi during lactation
  • The importance of consulting with a healthcare provider before using any supplements
  • The availability of alternative methods to achieve the desired health benefits with established safety profiles for nursing mothers.

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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