Nestle SA is mulling the purchase of Gerber Products Co., according to a published report in the Wall Street Journal. Vevey, Switzerland-based Nestle, which has U.S. headquarters in Glendale, is in talks to acquire a medical-nutrition business owned by Gerber parent, Novartis, and is interested in including Gerber in the deal, according to the WSJ report. Officials at both comments declined comment to the Wall Street Journal, which cited sources familiar with the matter.