Folinic acid is a vital nutrient that plays a crucial role in various metabolic processes within the human body. It is also known by several alternative names, including leucovorin, citrovorum factor, and calcium folinate. These synonyms are used interchangeably to describe this essential molecule. Folinic acid is commonly used in medical settings, particularly in cancer treatment, to enhance the effectiveness of certain medications or to counteract the toxic effects of chemotherapy drugs. Its alternative names allow for clearer communication among healthcare professionals and researchers worldwide. Regardless of the term used, Folinic acid remains a valuable compound in supporting human health and aiding in various therapeutic interventions.