Folacin is a group of related substances of which folic acid is the most useful form in good nutrition. Folacin is necessary for the formation of red blood cells and cell metabolism. It also acts as a coenzyme for several enzymes involved in metabolism.
DEFICIENCY: Folic acid deficiency has not been identified in the equine, but a type of anemia due to folic acid deficiency has been found in other species. Active stabled horses, particularly racehorses can benefit from folic acid supplements.