Cations	Products
Aluminum	Alu-Cap, AlternaGel, Amphojel, Basaljel
Aluminum and magnesium combinations	Gelusil, Maalox, Mylanta, Riopan
Calcium	Caltrate, Citracal, Os-Cal, PhosLo, Titralac, Tums
Iron	Feosol, Fergon, Niferex, Nu-Iron, Slow Fe
Magnesium	Almora, Citrate of Magnesia, Mag-Ox 400, Milk of Magnesia, Slow-Mag, Uro-Mag