Optimum Nutrition is a subsidiary of Glanbia, a nutritional group and leader in the industry. Optimum Nutrition owns two brands, Optimum Nutrition and American Body Building products. Optimum Nutrition utilizes state of the art manufacturing facilities and manufactures vitamins, minerals, herbs, sports beverages, protein powders, nutritional bars and more. Optimum Nutrition has been in operation since its founding in 1986 by brothers, Tony and Michael Costello. Optimum Nutrition strives to give its customers the highest level of purity, affordability, innovation and safety in nutritional supplements. Quality and customer satisfaction are two of the most important aspects of the company’s goals.