This product is likely MSG Free.
Carbonated water, sugar, glucose, citric acid, taurine, sodium citrate, natural and artificial flavors, caffeine, color, niacinamide, pyridoxine hcl (vitamin b6), calcium pantothenate, blue 1, vitamin b12.
Manufacturer likely did not include an allergen statement; however, please double-check the product packaging and/or contact the manufacturer if you have a severe food allergy.