Pfizer has acquired Sirio Pharma’s wholly-owned subsidiary, Treerly Health Co., a women’s nutritional healthcare brand in China. The Treerly portfolio expands Pfizer Consumer Healthcare’s products in China with OTC dietary supplements. Pfizer’s Caltrate calcium supplements and Centrum multivitamin supplements are among the top three brands in the OTC vitamin and minerals supplement category in China. Sirio Pharma is a private contract manufacturing company in China that produces dietary supp...