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Photo of Chinese Silkvine Bark

Chinese Silkvine Bark

香加皮 · Xiāng Jiā Pí

Eases stiff joints and aching knees

Properties

WarmingWarming botanicalPungent, Bitter

What it does

Chinese silkvine root-bark eases joint pain that lingers in cold or damp weather: stiff knees, aching legs, and bone-deep cold. In TCM, that pattern is called wind-damp impediment, where moisture and cold settle in your joints. The pungent warmth drives both out while strengthening sinews and bones. It's also mildly diuretic to drain leg edema. Toxic, so doses are tight.

How to take it

Drink

Decoct 3–6g in water for 25 minutes under practitioner direction. Cardiac glycoside content makes precise dosing essential. Often combined with other joint herbs.

See a practitioner. Identity confusion in markets makes self-sourcing risky

Safety

  • Toxic. Contains cardiac glycosides. Stay within practitioner-prescribed doses
  • Often confused with Acanthopanax (Bei Wu Jiā Pí) in markets. Verify identity
  • Skip during pregnancy
  • Not for people on heart medications, especially digoxin
  • Talk to your doctor before starting, especially if you take medication

Where it comes from

Chinese silkvine root-bark comes from Periploca sepium, a vine native to northern China. Its name 'fragrant added bark' (Xiāng Jiā Pí) is misleading: in Asian markets, it's frequently confused with Bei Wu Jiā Pí (Acanthopanax bark), which has similar joint-pain uses but is non-toxic. Periploca contains cardiac glycosides, which is why doses are kept tight. Always identify which 'jiā pí' you're buying.