Elemental potassium is a soft silvery-white alkali metal that oxidizes rapidly in air and reacts vigorously with water, generating sufficient heat to ignite hydrogen emitted in the reaction and burning with a lilac flame.
An antianginal is any drug used in the treatment of angina pectoris, a symptom of ischaemic heart disease.
Illegal recreational drugs, performance-enhancing drugs such as. 1  anabolic steroids. 2  erythropoietin. 3  diuretics. 4  recombinant human growth factors. 5  alcohol. 6  other drugs, such as those listed on the World Anti-Doping Code Prohibited List.