Table 3. Serum lutein concentrations (ng/ml, mean ± standard deviation) during study follow up in males and females separately and combined.

Lutein	Baseline				Midpoint				Endpoint
	Both	Male	Female	P2	Both	Male	Female	P2	Both	Male	Female	P2
Normal Egg	216±106	193±76	235±126	0.40	239±111	205±79	266±129	0.23	235±93	212±54	255±117	0.33
Lutein beverage	174±69	137±40	198±75	0.048	284±126	210±85	334±126	0.026	310±135	219±75	371±133	0.009
Lutein Egg	290±213	213±96	334±251	0.24	438±196	336±114	497±212	0.082	465±201	389±125	509±227	0.22
Zeaxanthin Egg	217±104	215±112	219±102	0.93	232±125	234±155	230±99	0.95	248±118	235±130	260±112	0.67
Control	180±51	174±48	185±56	0.66	188±72	190±75	186±72	0.91	177±55	169±59	184±53	0.55
P-value1	0.030	0.27	0.11		<0.001	0.082	<0.001		<0.001	0.001	<0.001

¹P-values are from an ANOVA analysis comparing the different groups at each time point.

²P-values for the difference between male and female subjects.