Study details
This study was conducted between February 13, 2009, and October 20, 2014. Volunteers were admitted to the NIH Clinical Center for a 14-day period to receive the eucaloric baseline diet for 5 days. After that, volunteers received either the RC or the RF diet for the next 6 days, followed by 3 days of ad libitum feeding from a computerized vending machine (The CONSORT diagram reiterates enrollment details provided in ref. 