Best Lab is a contract testing laboratory managed by Dr. Willow Liu. Our mission is to provide service for analysis of ingredients and finished products of dietary supplements, nutraceuticals, and foods. The experienced scientists and advanced instruments with high technology enable our lab to provide reliable service for the nutraceutical and dietary supplement industries. We can help you ensure the safety and quality of the coming ingredients and finished products by testing the microbial, heavy metals and pesticides, qualitative and/or quantitative analysis of the materials, performing stability tests of the products. We can also help you identify the authentic and adulterated materials, develop analytical methods for your special needs, provide chemical isolation and identification of components in herbs for your R&D projects. Dr. Liu is a well-trained natural product chemist with 35 years of experience in research, teaching, and clinical practice of natural products. She has Successively worked in the labs of several world-famous natural product experts in China (Prof. Xinsheng Yao), Germany (Prof. Rudolf Bauer), and the USA (Prof. Koji Nakanish, Prof. Norman Farnsworth, Prof. John Pezzuto). She taught Phytochemist, Pharmacology, Nutrition, Pharmacology of Chinese medicine, and Nutrition of Chinese Medicine in China and the USA. As a licensed acupuncturist, she combines the knowledge of modern and traditional medicine in her practice. Because of her extensive experience and knowledge about research on herbal medicine, she was invited by Wiley, the well-known academic publisher to write and edit the English book Traditional Herbal Medicine Research Methods - Identification, Analysis, Bioassay, Pharmacological and Clinical Studies. She is also the founder and chairman of the non-profit organization American Association of Chinese Herbs.