Assessment SPH (N=23) WPI (N=24) Day 0 (N) Day 42 (N) Day 0(N) Day 42(N) Very Dissatisfied 02 0 01 01 Dissatisfied 09 04 10 09 Neither Satisfied Nor Dissatisfied 07 07 06 05 Satisfied 04 07 04 06 Very Satisfied 01 05 03 03

Table 4: Comparison of changes in improved alertness and energy.