There was no difference in fat-free mass increment in WF or WF-L compared with CSB + [ WF : +0.04 kg ( 95 % CI : -0.20 , 0.28 kg ) ; WF-L : +0.14 kg ( 95 % CI : -0.10 , 0.38 kg ) ] or CSB + + [ WF : -0.03 kg ( 95 % CI : -0.27 , 0.21 kg ) ; WF-L : +0.07 kg ( 95 % CI : -0.18 , 0.31 kg ) ] and no effect on iron status .