CytoSport is an American manufacturer of sports-oriented nutritional products, or "supplements" based in Benicia, California. It offers a line of protein-enhanced powders, shakes, and bars has broken into the mainstream market with a ready-to-drink form of protein supplement Muscle Milk, a non-dairy beverage which is trans-fat- and lactose-free, contains no high fructose corn syrup and is shelf stable. Muscle Milk mainly markets on taste by using familiar milkshake flavors such as banana, milk chocolate and vanilla to drive consumers to the product, along with multiple drink sizes and formats, including powders and being sold in convenience stores alongside regular energy drinks and sports drinks. In Canada, the product is branded as Muscle Mlk, a modification required in Canada to avoid c