Mega Lifesciences Public Company Limited, together with its subsidiaries, manufactures, markets, and sells health food supplements, prescription pharmaceutical products, over-the-counter (OTC) products, herbal products, vitamins, and fast moving consumer goods. The company operates through Brands, Distribution, and Original Equipment Manufacture segments. It provides various complementary medicines for bone and joint, children, diabetic, heart, herbal, liver and digestive, skin, slimming, and well-being care, as well as men's and women's care products and sports supplements; gastrointestinal and pain care OTC medicines; and prescription medicines in the areas of iron supplement, anticoagulant, diabetology, cardiology, dermatology, gastroenterology, neurology, pain, osteoporosis, respiratory, urology, oncology, and nephrology. The company also offers logistical and marketing services for the sale of goods manufactured by third parties. In addition, the company engages in the operation of wellness center; and software design, development, and other services business. It operates in the Asia Pacific, the Middle East, Africa, and the Commonwealth of Independent States. The company was incorporated in 1982 and is headquartered in Bangkok, Thailand. Mega Lifesciences Public Company Limited is a subsidiary of Unistretch Limited.