Comparison of the FR and F+ER trials gives
an indication of the weight loss during energy restriction
attributable to mechanisms other than hypohydration.
Urine and other (cutaneous and respiratory fluid, and
fecal fluid and solid) losses were not different between
FR and F+ER, suggesting the 0.38 (0.30) kg difference
in BML between these trials might be attributable to the
0.41 (0.07) kg reduction in dietary intake during F+ER,
and the 249 (43) g, 63 (12) g, and 50 (7) g reduction in
carbohydrate, fat and protein intake, presumably leading
to the utilization and loss of endogenous energy stores.