Perrigo Company plc is a leading global healthcare supplier that develops, manufactures and distributes over-the-counter (OTC) and prescription (Rx) pharmaceuticals, nutritional products, and active pharmaceutical ingredients (API). From its beginnings in 1887 as a packager of generic home remedies, Perrigo, headquartered in Ireland, has grown to become the world's largest manufacturer of OTC products and supplier of infant formulas for the store brand market.