Boiron Phosphoricum Acidum 200 CH is a homeopathic medicine designed to address poor concentration resulting from overwork. The active ingredient, Phosphoricum Acidum, is formulated in a 200 CH dilution, aiming to support mental clarity and focus. The pellets dissolve easily under the tongue without the need for food or water, making them convenient for both adults and children. Each tube contains approximately 80 pellets, providing about 16 doses.