Zhong Yuan Bio-Technology Holdings Limited engages in the development and marketing of nervonic acid-based health supplements in China. The company's products include Neuro Enhancer nervonic acid oils, Muzhiyuan acer truncatum formula oils, Life's NA candies, and seedlings of Acer Truncatum. In addition, it offers demyelination diagnostic kit and nervonic acid supplement. It sells its products under the Muzhiyuan-Neuro Enhancer brand. Zhong Yuan Bio-Technology Holdings Limited is based in Wanchai, Hong Kong.