Table 2.

Mean ± SD for number of correct responses during the Stroop test

	CW		C		W
	Pre	Post*	Pre	Post*	Pre	Post*
BJ + CAF	120 ± 17	125 ± 14	97 ± 10	104 ± 14	127 ± 15	130 ± 15
CAF + PL	109 ± 15	123 ± 13*	94 ± 11	100 ± 14	121 ± 18	131 ± 14
BJ + PL	119 ± 18	127 ± 18	95 ± 16	104 ± 13	129 ± 18	135 ± 19
PL + PL	115 ± 15	118 ± 14	97 ± 14	102 ± 15	125 ± 15	135 ± 14

^*Significantly different from Pre in the respective condition (P < 0.001)

BJ Beetroot juice, CAF caffeine, PL placebo