Guang Ci Tang has been a leading US brand of Chinese medicine since the 1990s that enjoys a reputation for quality, efficacy, safety, and affordability. Guang Ci Tang products are manufactured in collaboration with some of the largest and best pharmaceutical companies in China, in state-of-the-art cGMP certified facilities. Only premium quality Chinese herbs are used. The botanical identity of each herb is verified by our expert professional staff based on the accepted standards set forth in the Pharmacopoeia of the People's Republic of China (PRC) to ensure authenticity, quality, potency, and safety. Furthermore, many Chinese herbs must be processed in highly specific ways to achieve the desired medicinal properties or to eliminate toxicity.

• Minimal or no fillers or binders
• No pharmaceuticals, sugars, or dyes
• Comprehensive lab testings for heavy metals, etc
• Made in cGMP certified facility