while Emergen-C uses magnesium hydroxide and magnesium carbonate. Additionally, Emergen-C contains B vitamins, while Airborne ...

This medication is a multivitamin product used to treat or prevent vitamin ... Do not take more than the recommended dosage. If you have any questions, ask your doctor or pharmacist.

While a packet of Emergen-C or a tablet of Airborne won't hurt you, doctors say you'll probably pee out more of the vitamin than you can use ... higher than the FDA-recommended daily amount ...