Optimum Nutrition Gold Standard 100% Plant Protein

Optimum Nutrition (ON) Gold Standard 100% Plant Protein is a premium dietary supplement designed for athletes and individuals seeking a vegan source of high-quality protein. The product is originally rooted in the United States, established by a company that sought to set a higher standard for purity and flavor in the sports nutrition industry. Today, it remains one of the most recognized protein brands globally.

Manufacturing of Optimum Nutrition products takes place in state-of-the-art facilities across multiple regions to serve global demand. While a significant portion of production remains in the United States (specifically in Illinois and South Carolina), the brand also utilizes facilities in the United Kingdom and other international hubs to ensure freshness and regional distribution efficiency.

The brand is currently owned by Glanbia plc, a leading global nutrition group. Glanbia has transformed Optimum Nutrition from a niche sports brand into a global leader in the performance nutrition market, maintaining a strict focus on quality control and ingredient transparency as part of its broad portfolio of health and wellness products.