| Bile acid sequestrants (e.g., colesevelam [Welchol], cholestyramine [Questran], colestipol) |
| Calcium carbonate |
| Ferrous sulfate |
| Intragastric pH elevation via hypochlorhydria |
| Antacids (e.g., aluminum, magnesium) |
| Proton pump inhibitors |
| Simethicone |
| Sucralfate (Carafate) |
| Ion exchange resins (e.g., sodium polystyrene sulfonate, sevelamer [Renvela]) |
| Orlistat (Xenical) |