This product is likely MSG Free.
Carbonated water, concentrated orange juice, citric acid, natural flavor, potassium benzoate (preserves freshness), citrus pectin, aspartame, potassium citrate, caffeine, sodium citrate, acesulfame potassium, sucralose, gum arabic, sodium benzoate (preserves freshness), calcium disodium edta (to protect flavor), yellow 5.
Contains: phenylketonurics: contains phenylalanine.