BTSA Antioxidants, Since 1994. Natural Antioxidants & Natural Vitamin E BTSA is a global company with headquarters in Spain, subsidiary in United States and sales office in Mexico and Brazil. With more than 25 years of experience we are one of the leading European manufacturers of Natural Antioxidants and Natural Vitamin E for food, nutraceutical, cosmetics & personal care, and animal nutrition. Our customers from more than 40 countries rely on our products and services, which have been developed by our highly qualified team of experts. BTSA’s commitment to the highest quality standards is guaranteed by the main international certificates. For more information, please visit www.btsa.com.