American River Nutrition (ARN) was founded in 1998 by Dr. Barrie Tan and is located in Hadley, Massachusetts. ARN’s mission is to focus on the scientific advancement of the health benefits of Bixa orellana, a tropically grown plant commonly known as annatto. To this day, Dr. Tan continues to propel ARN forward and has amassed substantial discoveries in line with this mission. ARN’s offerings include multiple products derived from or formulated with annatto.