Genesis.com.au are proud to be stocking the Optimum Nutrition product range. The company was established in 1986 after the realisation there was a demand for consistent quality in sports nutrition. The brand is also known for innovation, being first to produce a casein protein powder, and first to offer an all-micellar casein formula. Optimum are most recognised for their Gold Standard 100% Whey, which is recognised as the world's best-selling whey protein! Shop with Genesis.com.au today and see why we are Australia’s Leading Sports Supplement and Nutrition Retailer. Get the best deals on all leading Supplement Brands at Incredible Prices with Delivery Australia Wide!