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Cordyceps

traditional use in energy and immune support

mushroom
Human trial evidenceTraditional useInteraction riskNeeds more research

Adaptogenic mushroom for stamina, oxygen utilization, and libido.

Cordyceps is a genus of ascomycete fungi that includes approximately 600 species. These fungi are known for their unique life cycle, often growing on insect larvae. Two species, Cordyceps sinensis (now Ophiocordyceps sinensis) and Cordyceps militaris, are most commonly studied and used. Historically, Cordyceps has been valued in traditional medicine systems, particularly in Traditional Chinese Medicine (TCM), for its purported health benefits. While Cordyceps is often marketed for various health-promoting properties, including enhancing energy, improving athletic performance, and supporting immune function, the scientific evidence to support these claims is currently limited. Much of the existing research has been conducted in vitro or in animal models, with human studies being less common and often small in scale. Therefore, while it holds promise, more robust clinical trials are needed to confirm its efficacy and safety for specific health conditions.

Quick answer

What it is: Cordyceps is a genus of ascomycete fungi that includes approximately 600 species.

May support:COPD

Evidence Summary

The current evidence for Cordyceps is considered preliminary due to a lack of extensive human clinical trials. Much of the research has been conducted in laboratory settings (in vitro) or on animal models, which may not directly translate to human effects. While these studies suggest potential biological activities, they are insufficient to establish definitive efficacy or safety for specific health conditions in humans.

Last reviewed · Jun 2026

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Commonly Combined With

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Where this remedy is being discussed across the web and community.

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Why It Works

Increases ATP and modulates immune function.

How it works in more detail

Cordyceps contains various bioactive compounds, including cordycepin, adenosine, polysaccharides, and triterpenes. Cordycepin, a nucleoside analog, is thought to interfere with RNA synthesis and may have anti-inflammatory and antioxidant properties. Polysaccharides found in Cordyceps are believed to modulate the immune system by affecting various immune cells and cytokine production. Adenosine may contribute to its potential effects on energy metabolism and cardiovascular function. These compounds are hypothesized to exert their effects through multiple pathways, potentially influencing ATP production, cellular signaling, and oxidative stress responses.

How to use

Always consult a qualified clinician.

Editorial guidance

Suggested dosage
1000–3000 mg/day extract
Research dosage range
Research dosages have varied significantly, often ranging from 1 to 6 grams per day of various Cordyceps preparations in human studies, though published PubMed studies are currently absent for specific ranges.
Typical onset
Effects are generally not immediate and may require consistent use over several weeks or months to be observed, particularly for purported benefits related to energy or immune support.
Typical forms
Capsule, Powder, Extract, Tea
Quality markers
Look for products that specify the species (e.g., Cordyceps militaris or Ophiocordyceps sinensis), are standardized for active compounds like cordycepin or polysaccharides, and are third-party tested for purity and contaminants. Mycelial biomass grown on grain may have different active compound prof
Medication interactions
  • Immunosuppressants
  • Anticoagulants (blood thinners)
  • Antiplatelet drugs
  • Diabetes medications
Avoid if
  • Pregnant or breastfeeding
  • Autoimmune disease (e.g., lupus, rheumatoid arthritis, multiple sclerosis)
  • Bleeding disorders
  • Scheduled for surgery

Community tips

No community tips yet — be the first to share what worked for you.

Suggested dosage

1000–3000 mg/day extract

General guidance — discuss specifics with a clinician.

Active medicinal compounds

Cordycepin, Adenosine, Polysaccharides (e.g., β-glucans), Cordycepic acid (D-mannitol), Ergosterol, Triterpenes, Peptides.

Traditional use

In Traditional Chinese Medicine (TCM), Cordyceps sinensis has been used for centuries as a tonic for overall health, vitality, and longevity. It was traditionally employed to address fatigue, respiratory issues, kidney problems, and to enhance physical stamina and sexual function. It was highly prized and often reserved for emperors and the elite due to its rarity and perceived potency.

Safety

Safety warnings

May increase bleeding risk.

Avoid if

  • Pregnant or breastfeeding
  • Autoimmune disease (e.g., lupus, rheumatoid arthritis, multiple sclerosis)
  • Bleeding disorders
  • Scheduled for surgery

Medication interactions

  • Immunosuppressants
  • Anticoagulants (blood thinners)
  • Antiplatelet drugs
  • Diabetes medications

Reported side effects

  • Mild gastrointestinal upset
  • Diarrhea
  • Dry mouth
  • Nausea

General guidance — discuss specifics with a clinician.

Evidence ecosystem

Scientific literature, clinical guidance, government sources, ongoing research, traditional use, and lived experience — grouped by source type and quality.

Overall grade

The current evidence for Cordyceps is considered preliminary due to a lack of extensive human clinical trials. Much of the research has been conducted in laboratory settings (in vitro) or on animal models, which may not directly translate to human effects. While these studies suggest potential biological activities, they are insufficient to establish definitive efficacy or safety for specific health conditions in humans.

Filter by source type

Randomized Human Trials(1)

Controlled human studies with random assignment.

High Quality

  • Effect of a New Skin-Lightening Cosmetic Containing Cordyceps Extract in the Treatment of Melasma: A Clinical Trial.

    Shen S, Yao H, Zhu Y, Xiang W · Journal of cosmetic dermatology · 2025

    Cordyceps is a valuable Chinese herbal medicine known for its various components with antioxidant properties, which may theoretically improve melasma. This study aimed to evaluate the efficacy of a new skin-lightening cosmetic containing Cordyceps extract (referred to as Cordyceps essence) in treating female patients with melasma. Sixty-two women with melasma were enrolled and randomly assigned to two groups for 12 weeks of treatment. Group A received oral tranexamic acid (TXA) combined with topical hydroquinone cream, while Group B received oral TXA combined with topical Cordyceps essence. Changes in the Melasma Area and Severity Index (MASI), melanin index (MI), and erythema index (EI) were monitored and assessed before and after treatment. Patient-reported satisfaction and adverse events were also recorded. Additionally, a metabolomic analysis was conducted on 15 randomly selected patients from Group B. After 12 weeks of treatment, intra-group comparisons revealed th

    Randomized TrialPubMedHigh Quality

Observational Studies(1)

Cohort, case-control, and cross-sectional human studies.

Moderate Quality

  • A Comprehensive Review of Herbal Supplements Used for Persistent Symptoms Attributed to Lyme Disease.

    Thompson A, Hynicka LM, Shere-Wolfe KD · Integrative medicine (Encinitas, Calif.) · 2023

    Lyme disease is the most common, tick-borne disease in the USA. While most patients successfully recover with antibiotics, some patients experience persistent symptoms for months to years. Patients who attribute chronic symptoms to Lyme disease commonly use herbal supplements. The complexity, variability in dose and formulation, and lack of data for these herbal compounds make it difficult to assess their efficacy and safety. This review examines the evidence for the antimicrobial activity, safety, and drug-drug interactions of 18 herbal supplements that patients commonly use for treatment of persistent symptoms attributed to Lyme disease. The research team performed a narrative review by searching the PubMed, Embase, Scopus, Natural Medicines databases, and NCCIH website. The search used the keywords for 18 herbal compounds: (1) andrographis (Andrographis paniculate), (2) astragalus (Astragalus propinquus), (3) berberine, (4) cat's claw bark (Uncaria tomentosa), (5) cordyceps (Cordy

    Observational StudyPubMedLow Quality

Limitations: Key limitations include the scarcity of large-scale, randomized, placebo-controlled human clinical trials. Many existing human studies are small, have short durations, or lack rigorous methodology. There is also variability in the species of Cordyceps used, extraction methods, and standardization of active compounds, making it difficult to compare results across studies. The absence of published PubMed studies further highlights this evidence gap.

This page is educational. Statements use phrases like "may support" and "has been studied for"because no remedy here is approved to cure, treat, or reverse any condition. Discussion happens on the ailment pages — community statistics here are derived from those reports. Always consult a qualified clinician.

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