With a naturally sweet and nutty aftertaste, Trumpet Royale mushroom (also known as King Oyster) is the most popular exotic mushroom in Asia. Scientific researches shown that mushrooms contain unusually high amounts of two antioxidants, ergothioneine (or ergo) and glutathione, that could help to fight the signs of ageing and boost health. With the highest ergothioneine level, Trumpet mushroom can help to protect cells from harmful free radicals and improve the circulatory system. Very good source of riboflavin, niacin, pantothenic acid.