B.B. Pharma Co., Ltd. is one of the largest herbal medicine manufacturers in Thailand, established in 1917 by Mr. Jua Penparkkul, under the name “Hang Penpark”. Hang Penpark started of with one unit commercial building on a side of Yoawarath Road near Wat Tuk conjunction, the primary trade area of Thailand. The first pharmaceutical product accessible from Hung Penpark was “Ya Krisana Klan Penpark” an agarwood oil, treating stomachache and diarrhea. Later on “Ya Satree Penpark”, indicated for menstrual cramping, maintain bloodstream, and relief of dysmenorrheal, was introduced to the market. In the early age, Chinese herbals are key ingredients in Ya Satree Penpark due to inflexible of Thai herbs and low popularity of ready-made herbal medicine. Not until, the better qualities Thai herbs was encourage by the government, that the used of Chinese herbs had been replaced. At present, Ya Satree Penpark contain mixture of 82% Thai herbs and 18% Chinese herbs.