Plan B Morning-After Pill Owners Said to Weigh $4 Billion Sale

The private equity owners of Foundation Consumer Healthcare are exploring a potential sale of the company behind popular morning-after pill Plan B One-Step, according to people familiar with the matter.

Foundation’s backers, which include Kelso & Co. and Juggernaut Capital Partners, are working with financial advisers, said the people, who asked not to be identified discussing confidential information. The company may seek more than $4 billion for the business, some of the people said.

The Pittsburgh-based company, which also owns over-the-counter brands including Breath Right nasal strips, cold sore treatment Campho-Phenique and Dimetapp cold medicine, is expected to draw ...