Few facts about Optimum Nutrition via Manufacturer's site: “Since 1987, Optimum Nutrition has been manufacturing the finest quality and innovative nutrition products. We are entering into our 12th year of business with a continued commitment to providing premium nutritional supplements at the most affordable prices in the industry. At the heart of this commitment is our ability to produce our own products. We control the quality and integrity of our brand throughout the entire production process. This includes formulations, package design, manufacturing, and even distribution. This has been the key, not only to maintaining consistent unparalleled quality, but also to making our prices the most competitive in the industry.” (for more info visit Manufacturer site at Optimum Nutrition).