牛磺酸 Traditional form: 牛磺酸 Pinyin (reading): niúhuángsuān Definitions: taurine Characters: 牛 - ox, cow, bull 磺 - sulphur; brimstone 酸 - tart, sour; spoiled; acid Traditional characters: 牛 - ox, cow, bull 磺 - sulphur; brimstone 酸 - tart, sour; spoiled; acid