Euryale Seed (Qian Shi) (Euryale ferox)

Image: Wikimedia Commons, CC BY-SA

Euryale Seed (Qian Shi)

芡实 (Qiàn Shí) · Euryale ferox

Fox nut or Gordon Euryale — an aquatic plant seed used in TCM to strengthen the spleen, stop diarrhea, and consolidate kidney essence. Common in medicinal congees.

Evidence Score
3/10
Preliminary
Safety
Safe for most adults

Good For

Key Benefits

May support healthy digestive function

Traditionally used to harmonize the stomach and intestines

May help combat fatigue and increase stamina

Traditionally used to support physical endurance

How to Take

Typical dose: Follow product label. Typically 500-1500mg extract daily, taken in the morning
Forms: capsule, powder, tea/decoction
Timing: Take with food unless otherwise directed. Allow 2-4 weeks for full effects with tonic herbs
Start with lower doses and increase gradually. Quality and standardization vary between brands.

Safety & Interactions

Possible Side Effects

  • Generally well tolerated at recommended doses
  • Mild digestive upset possible in sensitive individuals

Do Not Use If

  • Known allergy to this plant or related species
  • Consult healthcare provider if pregnant or nursing

Drug Interactions

  • No major drug interactions documented at standard doses
  • Inform your doctor of all supplements you take

Traditional Use

In Traditional Chinese Medicine, 芡实 (Qiàn Shí) has been used for centuries. It is traditionally classified as a qi-tonifying herb that strengthens vitality. It supports the spleen and stomach — the foundation of post-natal qi production in TCM theory.

Modern Research

Very limited modern research exists for this herb. Evidence is primarily based on traditional use documentation and basic laboratory studies. Clinical trials are lacking. Use is based mainly on centuries of empirical traditional practice rather than modern scientific validation.

View all studies on PubMed for Euryale ferox

Where to Buy

Affiliate links — purchases support this free resource.