L Catterton has acquired Thorne HealthTech, according to a news release.

Thorne, founded in 1984 and based in New York, is a provider of at-home health tests and nutritional supplements.

L Catterton is paying $10.20 per share to acquire all outstanding shares of Thorne common stock in a transaction valued at approximately $680 million. Upon completion of the transaction, Thorne will become a privately held company.

L Catterton, founded in 1989 and based in Greenwich, Conn., is a private equity investment firm focusing on middle market companies. The firm manages approximately $33 billion of equity capital.