⛩️Kampo / Japanese Medicine

Udo (Japanese Spikenard Shoot)

vegetable

Udo (Japanese Spikenard Shoot)

Aralia cordata is an upright herbaceous perennial plant growing up to 2 to 3 metres in height, native to Japan, Korea, Russian Far East, and eastern China. Its common names include spikenard, herbal aralia, udo, Japanese spikenard, and mountain asparagus. It is commonly found on the slopes of wooded embankments. Aralia cordata is a species of Aralia in the family Araliaceae.

Conditions addressed

CirculationInflammationDigestive IssuesImmune SupportDetox

How to use

1–2 cups cooked or raw daily
  • Eat steamed, roasted, stir-fried, or raw in salads.
  • Lightly cooking increases digestibility.

Interactions & contraindications

May thin the blood

Watch for: Anticoagulants (warfarin), antiplatelets (aspirin, clopidogrel), and other blood-thinning herbs or supplements (ginkgo, garlic, fish oil, vitamin E)

Combining blood-thinning substances can increase bleeding risk, including before surgery or dental work.

May affect immune activity

Watch for: Immunosuppressants (for transplant or autoimmune conditions)

Immune-stimulating herbs can work against immunosuppressive therapy.

Processed by the liver

Watch for: Any medication that is also processed by liver enzymes (ask your pharmacist — this includes many common prescriptions)

Can alter how quickly the body clears certain medications, raising or lowering their effective dose.

May have a diuretic effect

Watch for: Diuretic medications and lithium

Additive fluid loss can affect electrolyte balance and change how the body clears lithium.