Chinese name:

Source:

Isatidis Radix - root

Nature:

• cold

Taste:

• bitter

Tropism:

• heart
• liver
• stomach

Direction of action:

• inwards

Effects:

• clears heat in the Qi and Xue layers

• removes toxins

Dosage:

• 15 – 30 g, standardly 15 g

Contraindications:

• do not administer if there are no symptoms of excess heat, caution is required in cases of spleen and stomach deficiency cold