Table 3.

Serum Micronutrient Levels Pretreatment and Posttreatment (Matched Pairs).

	Juice PLUS+					Placebo					Between Groups
	n	Baseline, Mean ± SD	12 Weeks, Mean ± SD	Change, Mean ± SD	P Value	n	Baseline, Mean ± SD	12 Weeks, Mean ± SD	Change, Mean ± SD	P Value	P Value
α-Carotene (µg/L)	52	103 ± 43.8	117 ± 54.1	13.5 ± 31.8	.004	45	117 ± 97.7	115 ± 89.8	−1.59 ± 23.7	.656	.009
β-Carotene (µg/L)	52	484 ± 414	1900 ± 1950	1420 ± 1870	<.0001	45	504 ± 577	549 ± 741	45.5 ± 209	.151	<.0001
β-Cryptoxanthin (µg/L)	52	121 ± 100	145 ± 126	24.5 ± 117	.136	45	127 ± 79.3	126 ± 70.4	−1.28 ± 29.9	.776	.130
Lutein (µg/L)	52	299 ± 111	349 ± 133	50.3 ± 95.4	.0004	45	362 ± 130	361 ± 126	−1.43 ± 71.3	.893	.003
Lycopene (µg/L)	52	558 ± 309	901 ± 1410	343 ± 1400	.084	45	549 ± 297	622 ± 307	72.4 ± 199	.019	.175
Retinol (µg/L)	51	3150 ± 923	3370 ± 905	220 ± 765	.045	45	3370 ± 898	3410 ± 868	44.7 ± 541	.582	.194
α-Tocopherol (mg/L)	51	10 300 ± 3810	11 700 ± 4440	1340 ± 4100	.023	45	10 900 ± 3850	11 200 ± 3100	247 ± 2840	.564	.128
γ-Tocopherol (mg/L)	51	3900 ± 1690	3470 ± 1120	−432 ± 1490	.043	45	3680 ± 995	3870 ± 1190	186 ± 904	.174	.015