Uhwang

Cattle Gallstone · Bovis Calculus

한글 우황 · Pinyin Niu Huang

牛黃

Properties 性味

Taste & nature: Bitter · cool
Channels entered: Heart, Liver
Actions: Opens the orifices and transforms phlegm-heat, extinguishes wind, resolves toxicity — the heart of Uhwangcheongsim-won
Typical dose: 0.15–0.35 g in pills
Caution: Costly and regulated; cultivated (in-vitro) sources standard; avoid in pregnancy