DY Nutrition Shadowhey Concentrate 2kg - Chocolate NutShadowhey concentrate is the highest quality whey protein concentrate on the market, packing in 23g of supreme quality protein per scoop. One feature of what makes our Shadowhey Protein Concentrate the best on the market is that its produced from grass fed cattle. Designed for active individuals and athletes, this whey protein concentrate helps to build lean muscle mass whilst reducing muscle soreness and even enhancing recovery time between workouts.