This product is likely MSG Free.
Carbonated water, citric acid, erythritol, taurine, sodium citrate, natural flavor, caffeine, sodium benzoate (preserves freshness), acesulfame potassium, sucralose, glucuronolactone, potassium sorbate (preserves freshness), inositol, gum arabic, niacinamide (vitamin b3), calcium pantothenate (vitamin b5), milk thistle extract, glycerol ester of rosin, panax ginseng root extract, pyridoxine hydrochloride (vitamin b6), guarana seed extract, red 40, caramel color, blue 1, cyanocobalamin (vitamin b12).
Contains: not recommended for children, pregnant or nursing women or persons sensitive to caffeine.