Overview

Reishi mushroom (Ganoderma lucidum) is a bitter-tasting fungus with no proven health benefits. It is thought to have some effects on the immune system.

Reishi mushroom is used for Alzheimer disease, cancer, diabetes, cold sores, and many other conditions, but there is no good scientific evidence to support these uses.

Uses & Effectiveness ?

Possibly Ineffective for

There is interest in using reishi mushroom for a number of other purposes, but there isn't enough reliable information to say whether it might be helpful.

Side Effects

When taken by mouth: Reishi mushroom extract is possibly safe when used for up to one year. Powdered whole reishi mushroom is possibly safe when used for up to 16 weeks. Reishi mushroom can cause dizziness, dry mouth, itching, nausea, stomach upset, and rash.

Special Precautions and Warnings

When taken by mouth: Reishi mushroom extract is possibly safe when used for up to one year. Powdered whole reishi mushroom is possibly safe when used for up to 16 weeks. Reishi mushroom can cause dizziness, dry mouth, itching, nausea, stomach upset, and rash.
Pregnancy and breast-feeding: There isn't enough reliable information to know if reishi mushroom is safe to use when pregnant or breast feeding. Stay on the safe side and avoid use.

Bleeding disorders: High doses of reishi mushroom might increase the risk of bleeding in some people with certain bleeding disorders.

Surgery: High doses of reishi mushroom might increase the risk of bleeding in some people if used before or during surgery. Stop using reishi mushroom at least 2 weeks before a scheduled surgery.

Interactions ?

    Moderate Interaction

    Be cautious with this combination

  • Medications for high blood pressure (Antihypertensive drugs) interacts with REISHI MUSHROOM

    Reishi mushroom might lower blood pressure. Taking reishi mushroom along with medications that lower blood pressure might cause blood pressure to go too low. Monitor your blood pressure closely.

  • Medications that slow blood clotting (Anticoagulant / Antiplatelet drugs) interacts with REISHI MUSHROOM

    Reishi mushroom might slow blood clotting. Taking reishi mushroom along with medications that also slow blood clotting might increase the risk of bruising and bleeding.

  • Medications for diabetes (Antidiabetes drugs) interacts with REISHI MUSHROOM

    Reishi mushroom might lower blood sugar levels. Taking reishi mushroom along with diabetes medications might cause blood sugar to drop too low. Monitor your blood sugar closely.

Dosing

Reishi mushroom has most often been used by adults in doses of 1400-5400 mg by mouth daily, usually in divided doses. Reishi mushroom extracts have also been used in lower doses. Speak with a healthcare provider to find out what dose might be best for a specific condition.

View References

CONDITIONS OF USE AND IMPORTANT INFORMATION: This information is meant to supplement, not replace advice from your doctor or healthcare provider and is not meant to cover all possible uses, precautions, interactions or adverse effects. This information may not fit your specific health circumstances. Never delay or disregard seeking professional medical advice from your doctor or other qualified health care provider because of something you have read on WebMD. You should always speak with your doctor or health care professional before you start, stop, or change any prescribed part of your health care plan or treatment and to determine what course of therapy is right for you.

This copyrighted material is provided by Natural Medicines Comprehensive Database Consumer Version. Information from this source is evidence-based and objective, and without commercial influence. For professional medical information on natural medicines, see Natural Medicines Comprehensive Database Professional Version.
© Therapeutic Research Faculty 2020.