Potassium Orotate 175 mg 100 tablets by Dr. Hans Nieper

Potassium (K) is "the chief cation in the intracellular fluid of muscle and other cells. Potassium ion is a strong electrolyte and it plays a significant role in the regulation of fluid volume and maintenance of the water-electrolyte balance."

Orotate is the salt of a crystalline acid called orotic acid which "occurs in milk and is a growth factor for various microorganisms (as Lactobacillus bulgaricus) and a precursor of the pyrimidine bases of nucleotides"

sources: US National Library of Medicine - 2009 Medical Subject Headings (MeSH), MedLinePlus.