Net fluid balance (NFB)
NFB
At 1 and 2 h after ingesting water, there were significant differences between Young and Older. However, no significant difference was observed between age groups when comparing NFB at 3 h after ingestion of any of the different beverages. NFB after ingestion of milk was significantly different from water in Young, but not in Older (Fig. Net fluid balance following the ingestion 1L of water (