Star Lake Bioscience Co., Inc. manufactures and sells pharmaceutical raw materials, and food and feed additives in China and internationally. The company offers guanosine that is used as an intermediate for food and pharmaceutical raw material; L-proline for use as an intermediate for synthesizing captopril and enalapril, and raw material for amino acid transfusion; adefovir dipivoxil tablets used to reduce the activity of HBV DNA polymerase and anti-virus by destroying Hepatitis B virus DNA; and L-threonine that is used in premixtures, and pig and poultry feed. It also provides disodium 5'-ribonucleotide to cure chronic hepatitis, muscular atrophy, and eye diseases; disodium 5-inosinate to cure leukopenia, thrombocytopenia, and chronic and acute hepatitis; and inosine, which is used for the treatment of chronic hepatitis, heart disease, leukopenia or thrombocytopenia, central choroidoretinitis, etc. In addition, the company offers disodium 5'-guanylate for canned meat, ham, salted meat, etc. Further, it provides ribavirin, adenosine, adenine, memantine hydrochloride, arginine, D-ribose, fructose syrup, L-valine, L-threonine, L-lysine, etc. The company offers its products under the Star Lake and Yue Bao brands. Star Lake Bioscience Co., Inc. was founded in 1964 and is based in Zhaoqing, China.