Product authentication tips

The unrivaled quality of Optimum Nutrition’s products is a key reason why consumers have made us the World’s No.1 selling whey protein powder. The guide below is designed to help consumers in the UK and EU make sure you are getting what you paid for – an authentic Optimum Nutrition product made by our own Manufacturing Plant in the UK.
Check Authentication Tips for products manufactured in the US.

Optimum nutrition quality

With our own state-of the art manufacturing operation in Middlesbrough, Optimum Nutrition is one of the few sports nutrition companies who own and operate their own production facilities. While we are globally one of the world's largest producers of sports nutrition products, we remain focused on being recognised as the best. In fact, our requirements for raw materials are so strenuous that it's not unusual for Optimum Nutrition Quality Assurance Technicians to reject entire truckloads of raw materials that do not meet our high standards. We like to think that we take as much pride and care in crafting our award-winning supplements as our consumers do with achieving their performance goals.