Reviewed on 8/26/2021

What Is Cordyceps and How Does It Work?

Cordyceps suggested uses include as a stimulant/tonic/adaptogen, to enhance athletic performance, to strengthen immune response, and for treatment of liver disorders.

There is insufficient reliable evidence to rate the use of cordyceps in chemotherapy, aminoglycoside induced nephrotoxicity, cyclosporine induced nephrotoxicity, and hepatitis B.

Cordyceps is possibly ineffective for athletic performance.

Cordyceps is available under the following different brand and other names: Cordyceps sinensis, and CordyMax.

Dosage of Cordyceps

Suggested Dosing

  • 3 g/day fermented in tea
  • 1050 mg extract two to three times daily
  • Standardized to 0.14% adenosine

Dosing Consideraations – Should be Given as Follows:

See "Suggested Dosing"


Hepatitis C, Hep B, Hep A: Symptoms, Causes, Treatment See Slideshow

What Are Side Effects Associated with Using Cordyceps?

Common side effects of cordyceps include:

  • Increased symptoms of autoimmune diseases
  • Slow blood clotting (increased risk of bleeding in people with bleeding disorders)
  • Increased risk of bleeding during surgery

This document does not contain all possible side effects and others may occur. Check with your physician for additional information about side effects.

What Other Drugs Interact with Cordyceps?

If your doctor has directed you to use this medication, your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor, health care provider or pharmacist first.

  • Cordyceps has no known severe or serious interactions with other drugs.
  • Cordyceps has moderate interactions with at least 72 different drugs.
  • Mild interactions of cordyceps include:

This information does not contain all possible interactions or adverse effects. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share this information with your doctor and pharmacist. Check with your health care professional or doctor for additional medical advice, or if you have health questions, concerns or for more information about this medicine.

What Are Warnings and Precautions for Cordyceps?


This medication contains cordyceps. Do not take Cordyceps sinensis or CordyMax if you are allergic to cordyceps or any ingredients contained in this drug.

Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center immediately


  • Lactation, pregnancy

Short-Term Effects

  • See "What Are Side Effects Associated with Using Cordyceps?"

Long-Term Effects

  • See "What Are Side Effects Associated with Using Cordyceps?"


  • None

Pregnancy and Lactation

  • There is no information available about use of cordyceps during pregnancy or while breastfeeding. Consult your doctor.


Long-term heavy alcohol consumption can cause: See Answer
Medscape. Cordyceps.
RxList. Cordyceps.

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