Carbonated Energy Drink with 5% Fruit Juice from Fruit Juice Concentrate, Taurine, Caffeine, L-Carnitine, Inositol and B Vitamins with Sugars and Sweetener. There's this theory that something as small and inconsequential as the flapping of a butterfly's wings can be the trigger that results in a hurricane. Monster Monarch, named for the humble butterfly, has a light subtle flavor with hints of peach and nectarine. You could say it's delicate and not too overpowering, but get ready to experience your own Butterfly Effect as Monarch has a full load of the legendary Monster Energy blend.