The league said the brand touts more benefits than it can deliver. "Vitamin Water: Flu shots are so last year," reads one advertising poster for the product.

The nutrient-enhanced water beverage features a liquid boost of magnesium (85mg) to help support heart health and 100% antioxidant vitamin C alongside vitamin A (25%) and vitamin E (30%).

V Water, which comes in six flavors, is made from spring water and additions such as vitamin C, zinc and ginseng. It is very similar to Coca-Cola Co's vitaminwater, which Coke plans to launch this ...