Siler Root (Fang Feng) (Saposhnikovia divaricata)

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Siler Root (Fang Feng)

防风 (Fáng Fēng) · Saposhnikovia divaricata

Literally 'guard against wind' — used to expel wind from the body in all its TCM manifestations: colds, joint pain, skin rashes, and spasms. A gentle wind-releasing herb.

Evidence Score
3/10
Preliminary
Safety
Safe for most adults

Good For

Key Benefits

May support immune system function

Traditionally used to strengthen defensive qi and resistance to illness

May help reduce inflammation and joint discomfort

Traditionally used to support mobility and ease pain

How to Take

Typical dose: Follow product label directions. Typical range: 500-1500mg daily as standardized extract
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, 防风 (Fáng Fēng) has been used for centuries. TCM practitioners use it to reinforce the body's defensive energy (wei qi). TCM practitioners use it to expel wind-dampness and strengthen the sinews and bones.

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 Saposhnikovia divaricata

Where to Buy

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