Boiron Kalium Phosphoricum 30CH is a single remedy homeopathic medicine commonly known as Dipotassium phosphate and is used to treat tension headache associated with intellectual fatigue. The pellets melt in your mouth and can be taken on the go, no food or water needed. They come in an easy dispensing tube of approx. 80 pellets (16 doses). Boiron single medicines are ideal for adults and children and do not contain artificial colors, flavors, sweeteners, or preservatives.