Changsha Organic Herb Inc. (OHI) has been dedicated to the research and development of innovative nutraceutical ingredients since 1993. Our commitment to science and quality control has earned OHI recognition within the industry as a trusted supplier of ingredients with the highest quality.OHI is the Developer, Manufacturer, Exporter and Primary Supplier of the most remarkable alternative and complementary herbal health products and raw material available today. OHI develops and manufactures superior nutraceutical ingredients.OHI has advanced in-home lab as well as professional R&D people swift response to any of your request. We also co-operates with the world's most prestigious universities and private research institutions in the biological assessment of safety and effectiveness up to clinical phase II.We offer science-based ingredients, unconditional customer guarantee as well as excellent technical support, most of our products are tested by American independent labs. We have very good relationship with famous American independent Labs, and we are also member of NNFA (USA) as well as APHA. We have our own FDA registered Number.OHI's major standardized products, such as Green Tea Extract, EGCG, Ginkgo Biloba Extract, Luo Han Guo Extract 80% Mogrosides 25% Mogrosides, Black Sesame Extract 90% Sesamin, Flaxseed Extract 25% Lignans SDG Secoisolariciresinol Diglycoside, Honeysuckle Flower Extract 99% Chlorogenic acid, 5-HTP, Resveratrol 99%, are well sold in more than 30 countries and regions throughout the world. OHI has been certified with ISO9001:2000 Quality Management System, FDA (FDA Registered No. is 10214622384), and GMP(Good Manufacturing Practice) Certifications.