Educational reference only · Not medical advice
Botanical illustration of Turkey Tail

Trametes versicolor

Turkey Tail

Polyporaceae

Evidence: LimitedCaffeine Free East AsiaSafety information on file
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At a Glance

Common name
Turkey Tail
Scientific name
Trametes versicolor
Family
Polyporaceae
Region
East Asia
Plant part
Fruiting body, Mycelium
Caffeine
Caffeine Free
Evidence
Limited
Safety review
Safety information on file

Safety & Cautions

Safety information on file
Contraindications
Avoid in autoimmune disease without supervision; discontinue before surgery; caution with immunosuppressants and anticoagulants.
Drug interactions
May enhance immune responses (caution with immunosuppressants) and bleeding with anticoagulants; consult a clinician.
Pregnancy
Avoid medicinal doses.
Children
Mild decoctions acceptable in small amounts.
Allergies
Mushroom allergy possible; rare rash.
Known adverse effects
Generally well tolerated; rare GI upset or allergic reactions; may enhance immune responses.

Botanical Description

A thin shelf-like bracket fungus growing in overlapping clusters on dead hardwood, each semicircular cap banded with concentric zones of brown, tan, grey and blue-green, with a pale underside of tiny pores.

Also known as: Yun Zhi, Kawaratake, Coriolus versicolor

Historical Background

Turkey tail (yun zhi) has been used in Traditional Chinese and Japanese medicine for centuries as an immune and longevity tonic. Its colorful, fan-like brackets carpet fallen logs worldwide, and a polysaccharide extract (PSK) became a respected adjuvant in Japanese oncology.

Earliest recorded uses: Used in TCM (Yun Zhi) since at least the 15th century; a traditional immune tonic.

Traditional preparations:

  • Long decoction of dried brackets
  • Daily immune tonic
  • Dual extract (off-tea)

Traditional Uses

These uses document historical traditions and do not imply proven effectiveness.

Traditional Chinese Medicine

Immune and spirit tonic; long-life mushroom.

Modern Herbalism

Immune-support and antioxidant decoction.

Flavor & Aroma

EarthyMildMushroom-likeSlightly Bitter

Aroma: Earthy, mild, mushroom-like, slightly woody

Tea Preparation

Preparation methods
Decoction
Steeping temperature
185-200°F (85-93°C)
Steeping time
30-60 minutes simmer (decoction)
Recommended vessel
Saucepan (long decoction)
Blends well with
Reishi, Chaga, Green Tea, Ginger, Turkey Tail
185-200°F (85-93°C) 30-60 minutes simmer (decoction)

Modern Evidence

Evidence level: Limited

Turkey tail has a tradition as an immune tonic, and a polysaccharide extract (PSK) has been studied as a cancer adjuvant, mainly in Japan. Evidence is limited for standalone use, and it is not a treatment for cancer, infection, or any disease; use only under oncology supervision.

Evidence levels describe the state of research for the traditional use discussed here, not a recommendation. Historical use does not imply effectiveness.

References & Sources

  1. NCCIH · Turkey tail (2023)
  2. MSKCC · Turkey tail information (2022)

Entry last updated August 4, 2026

Soothing Brews

An educational encyclopedia preserving the history, traditions, and modern evidence behind herbs used in teas and infusions. Inspired by antique botanical manuscripts.

Steeped in tradition, grounded in honesty.

Please Note

This is an educational reference, not a medical resource. Historical use does not imply effectiveness. Natural does not always mean safe. Consult a qualified healthcare professional before using herbs, especially if pregnant, nursing, or taking medications.

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Preferred sources: NIH ODS · NCCIH · MSK Herbs · PubMed · WHO · EMA · German Commission E · Cochrane