Sunwin International Neutraceuticals, Inc. (OTCBB: SUWN), a leader in the production and distribution of Chinese herbs, veterinary medicines and one of the world's leading producers of all natural, zero calorie Stevia in China, announced today that the company has increased the availability of two veterinary medicines, Huangqiduotang vaccine and Jinfang Detoxification Powder to treat swine flu that has recently spread in North America and other parts of the world.