Customize your care with Boiron single medicines for highly targeted relief. Nux vomica 30C is a homeopathic medicine that relieves occasional heartburn, sour stomach, nausea, and upset stomach from indigestion.* Made with a single plant-based active ingredient, Nux vomica has no known interactions with other medications, herbs, or supplements. The unflavored meltaway pellets dissolve under the tongue without water and come in easy dispensing tube to take on the go. *Claims based on traditional homeopathic practice, not accepted medical evidence. Not FDA evaluated.